./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i --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_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/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_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/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_9372975f-3e87-4a3d-919b-de550dd00070/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 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:37:12,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:37:12,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:37:12,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:37:12,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:37:12,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:37:12,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:37:12,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:37:12,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:37:12,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:37:12,256 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:37:12,257 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:37:12,257 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:37:12,258 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:37:12,258 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:37:12,259 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:37:12,260 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:37:12,260 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:37:12,261 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:37:12,261 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:37:12,262 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:37:12,263 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:37:12,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:37:12,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:37:12,265 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:37:12,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:37:12,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:37:12,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:37:12,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:37:12,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:37:12,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:37:12,268 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:37:12,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:37:12,268 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:37:12,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:37:12,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:37:12,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:37:12,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:12,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:37:12,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:37:12,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:37:12,272 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:37:12,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:37:12,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:37:12,273 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:37:12,274 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:37:12,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:37:12,274 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_9372975f-3e87-4a3d-919b-de550dd00070/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2023-11-23 20:37:12,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:37:12,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:37:12,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:37:12,588 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:37:12,588 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:37:12,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2023-11-23 20:37:15,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:16,250 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:16,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2023-11-23 20:37:16,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/data/335aabb64/06d0df820dc04592b7e2595cb0073f58/FLAGd3310f1a2 [2023-11-23 20:37:16,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/data/335aabb64/06d0df820dc04592b7e2595cb0073f58 [2023-11-23 20:37:16,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:16,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:16,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:16,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:16,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:16,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:16" (1/1) ... [2023-11-23 20:37:16,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36507459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:16, skipping insertion in model container [2023-11-23 20:37:16,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:16" (1/1) ... [2023-11-23 20:37:16,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:16,775 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:37:17,025 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_9372975f-3e87-4a3d-919b-de550dd00070/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i[37435,37448] [2023-11-23 20:37:17,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:17,268 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:37:17,285 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:37:17,302 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_9372975f-3e87-4a3d-919b-de550dd00070/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i[37435,37448] [2023-11-23 20:37:17,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:17,463 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:37:17,463 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:37:17,472 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:37:17,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17 WrapperNode [2023-11-23 20:37:17,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:17,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:17,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:37:17,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:37:17,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,627 INFO L138 Inliner]: procedures = 208, calls = 281, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1349 [2023-11-23 20:37:17,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:17,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:37:17,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:37:17,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:37:17,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:37:17,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:37:17,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:37:17,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:37:17,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:17,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:37:17,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:37:17,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:37:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:37:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:37:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:37:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:37:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:37:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:37:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:37:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:37:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:37:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:37:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:37:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:37:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:37:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:37:18,277 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:37:18,279 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:37:20,060 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:37:21,708 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:37:21,709 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-23 20:37:21,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:21 BoogieIcfgContainer [2023-11-23 20:37:21,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:37:21,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:37:21,715 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:37:21,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:37:21,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:37:16" (1/3) ... [2023-11-23 20:37:21,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1e2cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:21, skipping insertion in model container [2023-11-23 20:37:21,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (2/3) ... [2023-11-23 20:37:21,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1e2cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:21, skipping insertion in model container [2023-11-23 20:37:21,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:21" (3/3) ... [2023-11-23 20:37:21,724 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test2-2.i [2023-11-23 20:37:21,775 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:37:21,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:37:21,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:37:21,844 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;@5929a2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:37:21,844 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:37:21,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 111 states have (on average 1.7387387387387387) internal successors, (193), 112 states have internal predecessors, (193), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 20:37:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:37:21,858 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:21,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:21,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:21,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:21,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1882767772, now seen corresponding path program 1 times [2023-11-23 20:37:21,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:21,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423410427] [2023-11-23 20:37:21,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:21,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:22,075 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 20:37:22,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:22,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423410427] [2023-11-23 20:37:22,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423410427] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:22,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:22,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:37:22,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844068330] [2023-11-23 20:37:22,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:22,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:37:22,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:22,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:37:22,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:37:22,123 INFO L87 Difference]: Start difference. First operand has 117 states, 111 states have (on average 1.7387387387387387) internal successors, (193), 112 states have internal predecessors, (193), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 20:37:24,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:26,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:28,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:30,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:31,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:31,173 INFO L93 Difference]: Finished difference Result 232 states and 395 transitions. [2023-11-23 20:37:31,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:37:31,183 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2023-11-23 20:37:31,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:31,195 INFO L225 Difference]: With dead ends: 232 [2023-11-23 20:37:31,195 INFO L226 Difference]: Without dead ends: 99 [2023-11-23 20:37:31,199 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 [2023-11-23 20:37:31,204 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:31,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 4 Unknown, 0 Unchecked, 9.0s Time] [2023-11-23 20:37:31,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-23 20:37:31,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-23 20:37:31,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 94 states have internal predecessors, (109), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 20:37:31,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 115 transitions. [2023-11-23 20:37:31,281 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 115 transitions. Word has length 10 [2023-11-23 20:37:31,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:31,283 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 115 transitions. [2023-11-23 20:37:31,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 20:37:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2023-11-23 20:37:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:37:31,286 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:31,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:31,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:37:31,287 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:31,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:31,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1800839367, now seen corresponding path program 1 times [2023-11-23 20:37:31,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:31,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901073726] [2023-11-23 20:37:31,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:31,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:32,734 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 20:37:32,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:32,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901073726] [2023-11-23 20:37:32,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901073726] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:32,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:32,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 20:37:32,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109949306] [2023-11-23 20:37:32,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:32,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:37:32,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:32,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:37:32,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:37:32,740 INFO L87 Difference]: Start difference. First operand 99 states and 115 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 20:37:34,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:36,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:38,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:40,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:42,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:44,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:46,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:47,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:47,459 INFO L93 Difference]: Finished difference Result 115 states and 134 transitions. [2023-11-23 20:37:47,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:37:47,463 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 24 [2023-11-23 20:37:47,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:47,463 INFO L225 Difference]: With dead ends: 115 [2023-11-23 20:37:47,464 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 20:37:47,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:37:47,467 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 21 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:47,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 17 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 5 Unknown, 0 Unchecked, 14.7s Time] [2023-11-23 20:37:47,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 20:37:47,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 20:37:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 20:37:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 20:37:47,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-11-23 20:37:47,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:47,471 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 20:37:47,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 20:37:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 20:37:47,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:37:47,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:37:47,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:37:47,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 20:37:47,570 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-23 20:37:47,572 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-23 20:37:47,573 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-23 20:37:47,577 INFO L899 garLoopResultBuilder]: For program point L826-68(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,578 INFO L895 garLoopResultBuilder]: At program point L826-69(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,578 INFO L899 garLoopResultBuilder]: For program point L826-70(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,578 INFO L895 garLoopResultBuilder]: At program point L826-71(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,580 INFO L899 garLoopResultBuilder]: For program point L823-170(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,581 INFO L895 garLoopResultBuilder]: At program point L823-171(line 823) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 20:37:47,583 INFO L899 garLoopResultBuilder]: For program point L823-172(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,583 INFO L899 garLoopResultBuilder]: For program point L823-173(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,583 INFO L895 garLoopResultBuilder]: At program point L823-174(line 823) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 20:37:47,590 INFO L899 garLoopResultBuilder]: For program point L823-175(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,590 INFO L895 garLoopResultBuilder]: At program point L823-176(line 823) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 20:37:47,591 INFO L899 garLoopResultBuilder]: For program point L823-178(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,591 INFO L899 garLoopResultBuilder]: For program point L823-180(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,591 INFO L895 garLoopResultBuilder]: At program point L823-182(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,591 INFO L899 garLoopResultBuilder]: For program point L823-183(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,592 INFO L899 garLoopResultBuilder]: For program point L823-184(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,592 INFO L895 garLoopResultBuilder]: At program point L823-186(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,592 INFO L899 garLoopResultBuilder]: For program point L823-187(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,592 INFO L899 garLoopResultBuilder]: For program point L823-188(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,593 INFO L895 garLoopResultBuilder]: At program point L823-189(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,593 INFO L899 garLoopResultBuilder]: For program point L823-190(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,593 INFO L899 garLoopResultBuilder]: For program point L823-193(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,593 INFO L895 garLoopResultBuilder]: At program point L823-194(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,594 INFO L899 garLoopResultBuilder]: For program point L823-202(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,594 INFO L895 garLoopResultBuilder]: At program point L823-203(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,596 INFO L899 garLoopResultBuilder]: For program point L823-210(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,597 INFO L899 garLoopResultBuilder]: For program point L823-212(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,597 INFO L895 garLoopResultBuilder]: At program point L823-214(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,598 INFO L899 garLoopResultBuilder]: For program point L823-215(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,598 INFO L899 garLoopResultBuilder]: For program point L823-225(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,598 INFO L902 garLoopResultBuilder]: At program point L830-9(lines 830 833) the Hoare annotation is: true [2023-11-23 20:37:47,599 INFO L899 garLoopResultBuilder]: For program point L823-235(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,599 INFO L895 garLoopResultBuilder]: At program point L823-236(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,599 INFO L899 garLoopResultBuilder]: For program point L823-237(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,599 INFO L895 garLoopResultBuilder]: At program point L823-246(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,600 INFO L895 garLoopResultBuilder]: At program point L823-248(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,600 INFO L899 garLoopResultBuilder]: For program point L823-249(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,600 INFO L899 garLoopResultBuilder]: For program point L831-3(line 831) no Hoare annotation was computed. [2023-11-23 20:37:47,601 INFO L899 garLoopResultBuilder]: For program point L823-255(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,601 INFO L899 garLoopResultBuilder]: For program point L823-256(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,602 INFO L899 garLoopResultBuilder]: For program point L831-8(line 831) no Hoare annotation was computed. [2023-11-23 20:37:47,602 INFO L895 garLoopResultBuilder]: At program point L823-257(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,602 INFO L899 garLoopResultBuilder]: For program point L823-259(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,602 INFO L899 garLoopResultBuilder]: For program point L831-11(line 831) no Hoare annotation was computed. [2023-11-23 20:37:47,603 INFO L899 garLoopResultBuilder]: For program point L823-260(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,603 INFO L902 garLoopResultBuilder]: At program point L831-12(line 831) the Hoare annotation is: true [2023-11-23 20:37:47,603 INFO L895 garLoopResultBuilder]: At program point L823-261(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,604 INFO L899 garLoopResultBuilder]: For program point L831-13(line 831) no Hoare annotation was computed. [2023-11-23 20:37:47,604 INFO L899 garLoopResultBuilder]: For program point L823-262(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,609 INFO L899 garLoopResultBuilder]: For program point L823-263(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,610 INFO L899 garLoopResultBuilder]: For program point L826-170(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,610 INFO L895 garLoopResultBuilder]: At program point L823-264(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,610 INFO L895 garLoopResultBuilder]: At program point L826-171(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,610 INFO L899 garLoopResultBuilder]: For program point L823-265(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,611 INFO L899 garLoopResultBuilder]: For program point L826-172(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,611 INFO L895 garLoopResultBuilder]: At program point L823-266(line 823) the Hoare annotation is: false [2023-11-23 20:37:47,611 INFO L899 garLoopResultBuilder]: For program point L826-173(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,611 INFO L899 garLoopResultBuilder]: For program point L823-267(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,612 INFO L895 garLoopResultBuilder]: At program point L826-174(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,612 INFO L899 garLoopResultBuilder]: For program point L823-268(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,612 INFO L899 garLoopResultBuilder]: For program point L826-175(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,612 INFO L895 garLoopResultBuilder]: At program point L823-269(line 823) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 20:37:47,613 INFO L895 garLoopResultBuilder]: At program point L826-176(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,613 INFO L899 garLoopResultBuilder]: For program point L831-22(line 831) no Hoare annotation was computed. [2023-11-23 20:37:47,613 INFO L899 garLoopResultBuilder]: For program point L826-178(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,613 INFO L902 garLoopResultBuilder]: At program point L831-23(line 831) the Hoare annotation is: true [2023-11-23 20:37:47,617 INFO L899 garLoopResultBuilder]: For program point L826-185(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,617 INFO L895 garLoopResultBuilder]: At program point L826-186(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,617 INFO L899 garLoopResultBuilder]: For program point L826-187(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,619 INFO L899 garLoopResultBuilder]: For program point L826-188(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,620 INFO L899 garLoopResultBuilder]: For program point L831-34(line 831) no Hoare annotation was computed. [2023-11-23 20:37:47,620 INFO L899 garLoopResultBuilder]: For program point L826-190(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,621 INFO L902 garLoopResultBuilder]: At program point L831-35(line 831) the Hoare annotation is: true [2023-11-23 20:37:47,621 INFO L895 garLoopResultBuilder]: At program point L826-191(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,621 INFO L899 garLoopResultBuilder]: For program point L831-36(line 831) no Hoare annotation was computed. [2023-11-23 20:37:47,621 INFO L899 garLoopResultBuilder]: For program point L831-37(line 831) no Hoare annotation was computed. [2023-11-23 20:37:47,621 INFO L899 garLoopResultBuilder]: For program point L831-38(line 831) no Hoare annotation was computed. [2023-11-23 20:37:47,622 INFO L902 garLoopResultBuilder]: At program point L831-39(line 831) the Hoare annotation is: true [2023-11-23 20:37:47,622 INFO L899 garLoopResultBuilder]: For program point L831-40(line 831) no Hoare annotation was computed. [2023-11-23 20:37:47,622 INFO L899 garLoopResultBuilder]: For program point L826-197(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,623 INFO L899 garLoopResultBuilder]: For program point L826-198(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,623 INFO L899 garLoopResultBuilder]: For program point L826-201(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,623 INFO L899 garLoopResultBuilder]: For program point L826-202(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,623 INFO L899 garLoopResultBuilder]: For program point L826-204(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,624 INFO L895 garLoopResultBuilder]: At program point L826-205(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,624 INFO L895 garLoopResultBuilder]: At program point L826-207(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,624 INFO L899 garLoopResultBuilder]: For program point L826-208(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,624 INFO L895 garLoopResultBuilder]: At program point L826-209(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,625 INFO L899 garLoopResultBuilder]: For program point L826-211(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,625 INFO L899 garLoopResultBuilder]: For program point L826-213(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,625 INFO L895 garLoopResultBuilder]: At program point L826-214(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,625 INFO L899 garLoopResultBuilder]: For program point L826-215(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,625 INFO L899 garLoopResultBuilder]: For program point L826-216(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,626 INFO L895 garLoopResultBuilder]: At program point L826-217(line 826) the Hoare annotation is: false [2023-11-23 20:37:47,626 INFO L899 garLoopResultBuilder]: For program point L826-218(line 826) no Hoare annotation was computed. [2023-11-23 20:37:47,626 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 810 835) no Hoare annotation was computed. [2023-11-23 20:37:47,626 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 20:37:47,627 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 802) no Hoare annotation was computed. [2023-11-23 20:37:47,627 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 804) no Hoare annotation was computed. [2023-11-23 20:37:47,627 INFO L899 garLoopResultBuilder]: For program point L801(lines 801 803) no Hoare annotation was computed. [2023-11-23 20:37:47,627 INFO L899 garLoopResultBuilder]: For program point L802(line 802) no Hoare annotation was computed. [2023-11-23 20:37:47,627 INFO L899 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2023-11-23 20:37:47,628 INFO L899 garLoopResultBuilder]: For program point L816-1(lines 816 824) no Hoare annotation was computed. [2023-11-23 20:37:47,628 INFO L899 garLoopResultBuilder]: For program point L816-3(lines 816 824) no Hoare annotation was computed. [2023-11-23 20:37:47,628 INFO L895 garLoopResultBuilder]: At program point L816-4(lines 816 824) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 20:37:47,628 INFO L899 garLoopResultBuilder]: For program point L816-5(lines 816 824) no Hoare annotation was computed. [2023-11-23 20:37:47,629 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 20:37:47,629 INFO L899 garLoopResultBuilder]: For program point L825-1(lines 825 828) no Hoare annotation was computed. [2023-11-23 20:37:47,630 INFO L895 garLoopResultBuilder]: At program point L825-4(lines 825 828) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (<= 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296)))) [2023-11-23 20:37:47,631 INFO L899 garLoopResultBuilder]: For program point L825-5(lines 825 828) no Hoare annotation was computed. [2023-11-23 20:37:47,631 INFO L899 garLoopResultBuilder]: For program point L823-68(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,631 INFO L895 garLoopResultBuilder]: At program point L823-69(line 823) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 20:37:47,631 INFO L899 garLoopResultBuilder]: For program point L823-70(line 823) no Hoare annotation was computed. [2023-11-23 20:37:47,632 INFO L895 garLoopResultBuilder]: At program point L823-71(line 823) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 20:37:47,638 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 20:37:47,642 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:37:47,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 20:37:47,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 20:37:47,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 20:37:47,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 20:37:47,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 20:37:47,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 20:37:47,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 20:37:47,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 20:37:47,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:37:47 BoogieIcfgContainer [2023-11-23 20:37:47,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:37:47,699 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:37:47,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:37:47,703 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:37:47,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:21" (3/4) ... [2023-11-23 20:37:47,707 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:37:47,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 20:37:47,742 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 237 nodes and edges [2023-11-23 20:37:47,745 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-23 20:37:47,777 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 20:37:47,780 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:37:48,049 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:37:48,056 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:37:48,057 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:37:48,058 INFO L158 Benchmark]: Toolchain (without parser) took 31765.66ms. Allocated memory was 148.9MB in the beginning and 234.9MB in the end (delta: 86.0MB). Free memory was 108.6MB in the beginning and 167.4MB in the end (delta: -58.8MB). Peak memory consumption was 142.7MB. Max. memory is 16.1GB. [2023-11-23 20:37:48,058 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:48,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1179.23ms. Allocated memory is still 148.9MB. Free memory was 108.6MB in the beginning and 72.3MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-23 20:37:48,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 169.12ms. Allocated memory is still 148.9MB. Free memory was 72.3MB in the beginning and 63.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:37:48,060 INFO L158 Benchmark]: Boogie Preprocessor took 156.58ms. Allocated memory is still 148.9MB. Free memory was 63.9MB in the beginning and 55.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:37:48,060 INFO L158 Benchmark]: RCFGBuilder took 3910.30ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 54.7MB in the beginning and 51.8MB in the end (delta: 2.9MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2023-11-23 20:37:48,061 INFO L158 Benchmark]: TraceAbstraction took 25981.71ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 51.8MB in the beginning and 60.6MB in the end (delta: -8.8MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-23 20:37:48,061 INFO L158 Benchmark]: Witness Printer took 359.64ms. Allocated memory is still 234.9MB. Free memory was 59.6MB in the beginning and 167.4MB in the end (delta: -107.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-23 20:37:48,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1179.23ms. Allocated memory is still 148.9MB. Free memory was 108.6MB in the beginning and 72.3MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 169.12ms. Allocated memory is still 148.9MB. Free memory was 72.3MB in the beginning and 63.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 156.58ms. Allocated memory is still 148.9MB. Free memory was 63.9MB in the beginning and 55.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3910.30ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 54.7MB in the beginning and 51.8MB in the end (delta: 2.9MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * TraceAbstraction took 25981.71ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 51.8MB in the beginning and 60.6MB in the end (delta: -8.8MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 359.64ms. Allocated memory is still 234.9MB. Free memory was 59.6MB in the beginning and 167.4MB in the end (delta: -107.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated * 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 - PositiveResult [Line: 802]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 23.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 23.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 114 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 50 PreInvPairs, 66 NumberOfFragments, 100 HoareAnnotationTreeSize, 50 FomulaSimplifications, 60 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: (0 <= (((-1 * bound) / 4294967296) + (bound / 4294967296))) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-23 20:37:48,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9372975f-3e87-4a3d-919b-de550dd00070/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE