./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/res1f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 005c3063cbff7bf2cfa5e3917587bb3bc67d690255843cf3936ae565f460b1c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:41,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:41,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:15:41,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:41,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:41,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:41,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:41,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:41,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:41,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:41,247 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:41,248 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:41,249 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:41,249 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:41,250 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:41,251 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:41,251 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:41,252 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:41,253 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:41,253 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:41,254 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:41,255 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:41,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:41,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:41,257 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:41,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:41,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:41,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:41,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:41,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:41,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:41,261 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:41,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:41,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:41,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:41,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:41,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:41,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:41,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:41,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:41,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:41,266 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:41,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:41,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:41,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:41,268 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:41,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:41,268 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005c3063cbff7bf2cfa5e3917587bb3bc67d690255843cf3936ae565f460b1c1 [2023-11-23 21:15:41,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:41,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:41,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:41,563 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:41,564 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:41,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/array-fpi/res1f.c [2023-11-23 21:15:44,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:44,993 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:44,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/sv-benchmarks/c/array-fpi/res1f.c [2023-11-23 21:15:45,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/data/ff2f6f432/5dafffc1abfd4cc79725852e1d6a95e1/FLAG641b5c9e8 [2023-11-23 21:15:45,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/data/ff2f6f432/5dafffc1abfd4cc79725852e1d6a95e1 [2023-11-23 21:15:45,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:45,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:45,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:45,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:45,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:45,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbcb264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45, skipping insertion in model container [2023-11-23 21:15:45,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:45,266 WARN L240 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_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/sv-benchmarks/c/array-fpi/res1f.c[588,601] [2023-11-23 21:15:45,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:45,304 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:45,320 WARN L240 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_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/sv-benchmarks/c/array-fpi/res1f.c[588,601] [2023-11-23 21:15:45,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:45,350 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:45,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45 WrapperNode [2023-11-23 21:15:45,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:45,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:45,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:45,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:45,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,396 INFO L138 Inliner]: procedures = 17, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-11-23 21:15:45,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:45,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:45,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:45,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:45,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:45,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:45,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:45,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:45,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (1/1) ... [2023-11-23 21:15:45,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:45,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:45,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:45,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:15:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:15:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:15:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:15:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:15:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:15:45,626 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:45,629 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:45,936 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:46,059 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:46,060 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:15:46,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:46 BoogieIcfgContainer [2023-11-23 21:15:46,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:46,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:46,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:46,072 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:46,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:45" (1/3) ... [2023-11-23 21:15:46,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698e7e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:46, skipping insertion in model container [2023-11-23 21:15:46,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:45" (2/3) ... [2023-11-23 21:15:46,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698e7e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:46, skipping insertion in model container [2023-11-23 21:15:46,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:46" (3/3) ... [2023-11-23 21:15:46,079 INFO L112 eAbstractionObserver]: Analyzing ICFG res1f.c [2023-11-23 21:15:46,101 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:46,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:46,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:46,189 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@70736d79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:46,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 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) [2023-11-23 21:15:46,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:15:46,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:46,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:46,204 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:46,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:46,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1050929854, now seen corresponding path program 1 times [2023-11-23 21:15:46,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:46,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200301469] [2023-11-23 21:15:46,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:46,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:46,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:46,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200301469] [2023-11-23 21:15:46,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200301469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:46,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:46,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:46,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084156859] [2023-11-23 21:15:46,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:46,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:46,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:46,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:46,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:46,724 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 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 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-23 21:15:46,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:46,782 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2023-11-23 21:15:46,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:46,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2023-11-23 21:15:46,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:46,799 INFO L225 Difference]: With dead ends: 22 [2023-11-23 21:15:46,799 INFO L226 Difference]: Without dead ends: 10 [2023-11-23 21:15:46,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:46,810 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:46,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:15:46,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-23 21:15:46,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-23 21:15:46,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2023-11-23 21:15:46,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2023-11-23 21:15:46,853 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 13 transitions. Word has length 8 [2023-11-23 21:15:46,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:46,854 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-23 21:15:46,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-23 21:15:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-23 21:15:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 21:15:46,856 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:46,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:46,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:15:46,858 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:46,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:46,860 INFO L85 PathProgramCache]: Analyzing trace with hash 717423753, now seen corresponding path program 1 times [2023-11-23 21:15:46,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:46,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024414620] [2023-11-23 21:15:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:46,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:47,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:15:47,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:47,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024414620] [2023-11-23 21:15:47,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024414620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:47,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:47,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:15:47,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169416950] [2023-11-23 21:15:47,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:47,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:15:47,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:47,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:15:47,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:15:47,116 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-23 21:15:47,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:47,167 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2023-11-23 21:15:47,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:15:47,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2023-11-23 21:15:47,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:47,168 INFO L225 Difference]: With dead ends: 18 [2023-11-23 21:15:47,169 INFO L226 Difference]: Without dead ends: 13 [2023-11-23 21:15:47,169 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 [2023-11-23 21:15:47,171 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 11 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:47,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:15:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-23 21:15:47,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-23 21:15:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2023-11-23 21:15:47,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2023-11-23 21:15:47,179 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 9 [2023-11-23 21:15:47,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:47,179 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-23 21:15:47,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-23 21:15:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-23 21:15:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 21:15:47,181 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:47,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:47,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:15:47,182 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:47,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:47,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2058327758, now seen corresponding path program 1 times [2023-11-23 21:15:47,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:47,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978354504] [2023-11-23 21:15:47,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:47,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:47,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:15:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:47,321 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:15:47,321 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:15:47,323 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:15:47,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:15:47,330 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 21:15:47,334 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:15:47,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:15:47 BoogieIcfgContainer [2023-11-23 21:15:47,368 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:15:47,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:15:47,369 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:15:47,369 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:15:47,369 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:46" (3/4) ... [2023-11-23 21:15:47,370 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 21:15:47,430 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438b5fe1-7eb8-4ae2-a087-bfbb0292b1fd/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:15:47,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:15:47,431 INFO L158 Benchmark]: Toolchain (without parser) took 2404.62ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 113.8MB in the beginning and 167.3MB in the end (delta: -53.6MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-23 21:15:47,432 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:47,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.51ms. Allocated memory is still 159.4MB. Free memory was 113.3MB in the beginning and 102.3MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:15:47,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.64ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:15:47,434 INFO L158 Benchmark]: Boogie Preprocessor took 34.23ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 99.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:47,435 INFO L158 Benchmark]: RCFGBuilder took 630.76ms. Allocated memory is still 159.4MB. Free memory was 99.1MB in the beginning and 83.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:15:47,436 INFO L158 Benchmark]: TraceAbstraction took 1300.10ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 82.9MB in the beginning and 170.5MB in the end (delta: -87.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:47,436 INFO L158 Benchmark]: Witness Printer took 62.14ms. Allocated memory is still 228.6MB. Free memory was 170.5MB in the beginning and 167.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:15:47,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.51ms. Allocated memory is still 159.4MB. Free memory was 113.3MB in the beginning and 102.3MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.64ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.23ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 99.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 630.76ms. Allocated memory is still 159.4MB. Free memory was 99.1MB in the beginning and 83.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1300.10ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 82.9MB in the beginning and 170.5MB in the end (delta: -87.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.14ms. Allocated memory is still 228.6MB. Free memory was 170.5MB in the beginning and 167.3MB in the end (delta: 3.2MB). 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; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [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); [L30] int *b = malloc(sizeof(int)*N); [L32] sum[0] = 1 [L33] i=0 VAL [N=1, a={-2:0}, b={9:0}, i=0, sum={11:0}] [L33] COND TRUE i