./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.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_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/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_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/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_452941b6-3586-42fe-ba69-418140866a9b/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 ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:06,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:06,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:19:06,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:06,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:06,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:06,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:06,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:06,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:06,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:06,160 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:06,161 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:06,162 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:06,162 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:19:06,163 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:06,163 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:06,164 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:19:06,164 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:19:06,165 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:06,165 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:19:06,166 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:19:06,166 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:19:06,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:06,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:06,168 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:06,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:19:06,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:06,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:06,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:06,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:06,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:06,171 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:06,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:06,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:06,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:06,172 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:06,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:06,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:06,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:06,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:06,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:06,174 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:19:06,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:19:06,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:06,174 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:06,174 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:06,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:06,175 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_452941b6-3586-42fe-ba69-418140866a9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-11-23 21:19:06,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:06,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:06,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:06,477 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:06,478 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:06,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i [2023-11-23 21:19:09,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:10,168 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:10,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i [2023-11-23 21:19:10,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/data/1738014d4/3be713076dc9463daf9d02bb7617b140/FLAG836a09149 [2023-11-23 21:19:10,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/data/1738014d4/3be713076dc9463daf9d02bb7617b140 [2023-11-23 21:19:10,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:10,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:10,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:10,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:10,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:10,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:10,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4b6f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10, skipping insertion in model container [2023-11-23 21:19:10,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:10,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:10,603 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:19:10,821 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_452941b6-3586-42fe-ba69-418140866a9b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i[33519,33532] [2023-11-23 21:19:11,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:11,041 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:11,062 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:19:11,077 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_452941b6-3586-42fe-ba69-418140866a9b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i[33519,33532] [2023-11-23 21:19:11,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:11,230 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:19:11,236 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:11,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11 WrapperNode [2023-11-23 21:19:11,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:11,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:11,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:11,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:11,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,373 INFO L138 Inliner]: procedures = 178, calls = 340, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1457 [2023-11-23 21:19:11,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:11,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:11,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:11,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:11,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:11,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:11,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:11,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:11,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:11,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:11,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:11,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:19:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:19:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:19:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:19:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:19:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:19:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:19:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:19:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:19:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:19:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:11,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:12,023 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:12,025 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:14,037 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:15,860 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:15,860 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-23 21:19:15,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:15 BoogieIcfgContainer [2023-11-23 21:19:15,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:15,867 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:15,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:15,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:15,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:10" (1/3) ... [2023-11-23 21:19:15,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e0f891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:15, skipping insertion in model container [2023-11-23 21:19:15,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (2/3) ... [2023-11-23 21:19:15,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e0f891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:15, skipping insertion in model container [2023-11-23 21:19:15,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:15" (3/3) ... [2023-11-23 21:19:15,881 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test4-1.i [2023-11-23 21:19:15,906 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:15,906 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:15,986 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:15,997 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;@54d00a21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:15,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:16,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 105 states have (on average 1.723809523809524) internal successors, (181), 106 states have internal predecessors, (181), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:19:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 21:19:16,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:16,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-23 21:19:16,015 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:16,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:16,021 INFO L85 PathProgramCache]: Analyzing trace with hash 456490024, now seen corresponding path program 1 times [2023-11-23 21:19:16,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:16,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932848182] [2023-11-23 21:19:16,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:16,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:16,440 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 21:19:16,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:16,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932848182] [2023-11-23 21:19:16,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932848182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:16,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:16,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:19:16,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209051410] [2023-11-23 21:19:16,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:16,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:19:16,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:16,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:19:16,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:19:16,482 INFO L87 Difference]: Start difference. First operand has 114 states, 105 states have (on average 1.723809523809524) internal successors, (181), 106 states have internal predecessors, (181), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 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 21:19:18,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:20,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:22,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:24,835 WARN L539 Checker$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 21:19:26,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:29,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:19:32,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:34,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:36,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:38,074 WARN L539 Checker$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 21:19:40,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:42,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:44,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:46,176 WARN L539 Checker$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 21:19:48,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:50,193 WARN L539 Checker$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 21:19:51,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:51,877 INFO L93 Difference]: Finished difference Result 292 states and 500 transitions. [2023-11-23 21:19:51,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:19:51,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-23 21:19:51,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:51,895 INFO L225 Difference]: With dead ends: 292 [2023-11-23 21:19:51,895 INFO L226 Difference]: Without dead ends: 174 [2023-11-23 21:19:51,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:19:51,903 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 75 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:51,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 268 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 14 Unknown, 0 Unchecked, 35.3s Time] [2023-11-23 21:19:51,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-23 21:19:51,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2023-11-23 21:19:51,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 163 states have (on average 1.1104294478527608) internal successors, (181), 163 states have internal predecessors, (181), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-23 21:19:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 199 transitions. [2023-11-23 21:19:51,997 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 199 transitions. Word has length 6 [2023-11-23 21:19:51,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:51,998 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 199 transitions. [2023-11-23 21:19:51,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 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 21:19:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 199 transitions. [2023-11-23 21:19:52,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 21:19:52,004 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:52,004 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:52,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:19:52,005 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:52,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:52,006 INFO L85 PathProgramCache]: Analyzing trace with hash 244408399, now seen corresponding path program 1 times [2023-11-23 21:19:52,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:52,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711875528] [2023-11-23 21:19:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:52,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:52,167 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:19:52,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1393768446] [2023-11-23 21:19:52,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:52,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:19:52,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:52,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:19:52,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:19:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:52,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:19:52,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:52,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 21:19:52,992 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:52,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:52,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711875528] [2023-11-23 21:19:52,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:19:52,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393768446] [2023-11-23 21:19:52,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393768446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:52,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:52,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:52,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262078628] [2023-11-23 21:19:52,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:53,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:53,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:53,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:53,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:53,004 INFO L87 Difference]: Start difference. First operand 174 states and 199 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:19:55,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:55,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:55,048 INFO L93 Difference]: Finished difference Result 174 states and 199 transitions. [2023-11-23 21:19:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:55,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 71 [2023-11-23 21:19:55,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:55,054 INFO L225 Difference]: With dead ends: 174 [2023-11-23 21:19:55,055 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:19:55,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 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 21:19:55,058 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:55,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-23 21:19:55,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:19:55,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:19:55,062 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 21:19:55,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:19:55,063 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2023-11-23 21:19:55,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:55,063 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:19:55,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:19:55,064 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:19:55,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:19:55,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:19:55,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:55,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:19:55,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:19:55,473 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:19:55,474 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-23 21:19:55,474 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-23 21:19:55,474 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 733 753) no Hoare annotation was computed. [2023-11-23 21:19:55,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:19:55,475 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2023-11-23 21:19:55,475 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 725) no Hoare annotation was computed. [2023-11-23 21:19:55,475 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-23 21:19:55,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 724) no Hoare annotation was computed. [2023-11-23 21:19:55,476 INFO L899 garLoopResultBuilder]: For program point L738(line 738) no Hoare annotation was computed. [2023-11-23 21:19:55,476 INFO L899 garLoopResultBuilder]: For program point L739-2(lines 739 748) no Hoare annotation was computed. [2023-11-23 21:19:55,477 INFO L895 garLoopResultBuilder]: At program point L739-3(lines 739 748) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-23 21:19:55,477 INFO L899 garLoopResultBuilder]: For program point L746-68(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,478 INFO L895 garLoopResultBuilder]: At program point L746-69(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-23 21:19:55,478 INFO L899 garLoopResultBuilder]: For program point L746-70(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,478 INFO L895 garLoopResultBuilder]: At program point L746-71(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-23 21:19:55,479 INFO L895 garLoopResultBuilder]: At program point L749-3(lines 749 751) the Hoare annotation is: (and (= |ULTIMATE.start_main_~user~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (= |ULTIMATE.start_main_~user~0#1.offset| 0)) [2023-11-23 21:19:55,479 INFO L899 garLoopResultBuilder]: For program point L747-67(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,479 INFO L895 garLoopResultBuilder]: At program point L747-68(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,479 INFO L899 garLoopResultBuilder]: For program point L747-69(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,480 INFO L895 garLoopResultBuilder]: At program point L747-70(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,480 INFO L899 garLoopResultBuilder]: For program point L746-170(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,480 INFO L895 garLoopResultBuilder]: At program point L746-171(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-23 21:19:55,481 INFO L899 garLoopResultBuilder]: For program point L746-172(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,481 INFO L899 garLoopResultBuilder]: For program point L746-173(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,481 INFO L895 garLoopResultBuilder]: At program point L746-174(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-23 21:19:55,482 INFO L899 garLoopResultBuilder]: For program point L746-175(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,482 INFO L895 garLoopResultBuilder]: At program point L746-176(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-23 21:19:55,482 INFO L899 garLoopResultBuilder]: For program point L746-178(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,483 INFO L899 garLoopResultBuilder]: For program point L746-180(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,483 INFO L895 garLoopResultBuilder]: At program point L746-182(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,483 INFO L899 garLoopResultBuilder]: For program point L746-183(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,483 INFO L899 garLoopResultBuilder]: For program point L746-184(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,484 INFO L895 garLoopResultBuilder]: At program point L746-186(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,484 INFO L899 garLoopResultBuilder]: For program point L746-187(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,484 INFO L899 garLoopResultBuilder]: For program point L746-188(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,484 INFO L895 garLoopResultBuilder]: At program point L746-189(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,485 INFO L899 garLoopResultBuilder]: For program point L746-190(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,485 INFO L899 garLoopResultBuilder]: For program point L746-193(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,485 INFO L895 garLoopResultBuilder]: At program point L746-194(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,485 INFO L899 garLoopResultBuilder]: For program point L747-169(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,486 INFO L895 garLoopResultBuilder]: At program point L747-170(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,486 INFO L899 garLoopResultBuilder]: For program point L746-202(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,486 INFO L899 garLoopResultBuilder]: For program point L747-171(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,487 INFO L895 garLoopResultBuilder]: At program point L746-203(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,487 INFO L899 garLoopResultBuilder]: For program point L747-172(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,487 INFO L895 garLoopResultBuilder]: At program point L747-173(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,487 INFO L899 garLoopResultBuilder]: For program point L747-174(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,488 INFO L895 garLoopResultBuilder]: At program point L747-175(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,488 INFO L899 garLoopResultBuilder]: For program point L747-177(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,488 INFO L899 garLoopResultBuilder]: For program point L746-210(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,488 INFO L899 garLoopResultBuilder]: For program point L747-179(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,489 INFO L899 garLoopResultBuilder]: For program point L746-212(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,489 INFO L895 garLoopResultBuilder]: At program point L747-181(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,489 INFO L899 garLoopResultBuilder]: For program point L747-182(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,490 INFO L895 garLoopResultBuilder]: At program point L746-214(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,490 INFO L899 garLoopResultBuilder]: For program point L747-183(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,490 INFO L899 garLoopResultBuilder]: For program point L746-215(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,490 INFO L895 garLoopResultBuilder]: At program point L747-185(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,491 INFO L899 garLoopResultBuilder]: For program point L747-186(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,491 INFO L899 garLoopResultBuilder]: For program point L747-187(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,491 INFO L895 garLoopResultBuilder]: At program point L747-188(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,492 INFO L899 garLoopResultBuilder]: For program point L747-189(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,492 INFO L899 garLoopResultBuilder]: For program point L747-192(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,492 INFO L895 garLoopResultBuilder]: At program point L747-193(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,492 INFO L899 garLoopResultBuilder]: For program point L746-225(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,493 INFO L899 garLoopResultBuilder]: For program point L747-201(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,493 INFO L895 garLoopResultBuilder]: At program point L747-202(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,493 INFO L899 garLoopResultBuilder]: For program point L746-235(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,493 INFO L895 garLoopResultBuilder]: At program point L746-236(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,494 INFO L899 garLoopResultBuilder]: For program point L746-237(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,494 INFO L899 garLoopResultBuilder]: For program point L747-209(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,494 INFO L899 garLoopResultBuilder]: For program point L747-211(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,494 INFO L895 garLoopResultBuilder]: At program point L747-213(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,495 INFO L899 garLoopResultBuilder]: For program point L747-214(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,495 INFO L895 garLoopResultBuilder]: At program point L746-246(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,495 INFO L895 garLoopResultBuilder]: At program point L746-248(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,496 INFO L899 garLoopResultBuilder]: For program point L746-249(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,496 INFO L899 garLoopResultBuilder]: For program point L746-255(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,496 INFO L899 garLoopResultBuilder]: For program point L747-224(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,496 INFO L899 garLoopResultBuilder]: For program point L746-256(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,496 INFO L895 garLoopResultBuilder]: At program point L746-257(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,497 INFO L899 garLoopResultBuilder]: For program point L746-259(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,497 INFO L899 garLoopResultBuilder]: For program point L746-260(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,497 INFO L895 garLoopResultBuilder]: At program point L746-261(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,498 INFO L899 garLoopResultBuilder]: For program point L746-262(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,498 INFO L899 garLoopResultBuilder]: For program point L746-263(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,498 INFO L895 garLoopResultBuilder]: At program point L746-264(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,498 INFO L899 garLoopResultBuilder]: For program point L746-265(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,499 INFO L899 garLoopResultBuilder]: For program point L747-234(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,499 INFO L895 garLoopResultBuilder]: At program point L746-266(line 746) the Hoare annotation is: false [2023-11-23 21:19:55,499 INFO L895 garLoopResultBuilder]: At program point L747-235(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,499 INFO L899 garLoopResultBuilder]: For program point L746-267(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,500 INFO L899 garLoopResultBuilder]: For program point L747-236(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,500 INFO L899 garLoopResultBuilder]: For program point L746-268(line 746) no Hoare annotation was computed. [2023-11-23 21:19:55,500 INFO L895 garLoopResultBuilder]: At program point L746-269(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-23 21:19:55,501 INFO L895 garLoopResultBuilder]: At program point L747-245(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,501 INFO L895 garLoopResultBuilder]: At program point L747-247(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,501 INFO L899 garLoopResultBuilder]: For program point L747-248(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,501 INFO L899 garLoopResultBuilder]: For program point L747-254(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,502 INFO L899 garLoopResultBuilder]: For program point L747-255(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,502 INFO L895 garLoopResultBuilder]: At program point L747-256(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,502 INFO L899 garLoopResultBuilder]: For program point L747-258(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,502 INFO L899 garLoopResultBuilder]: For program point L747-259(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,503 INFO L895 garLoopResultBuilder]: At program point L747-260(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,503 INFO L899 garLoopResultBuilder]: For program point L747-261(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,503 INFO L899 garLoopResultBuilder]: For program point L747-262(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,504 INFO L895 garLoopResultBuilder]: At program point L747-263(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,504 INFO L899 garLoopResultBuilder]: For program point L747-264(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,504 INFO L895 garLoopResultBuilder]: At program point L747-265(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,504 INFO L899 garLoopResultBuilder]: For program point L747-266(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,504 INFO L899 garLoopResultBuilder]: For program point L747-267(line 747) no Hoare annotation was computed. [2023-11-23 21:19:55,505 INFO L895 garLoopResultBuilder]: At program point L747-268(line 747) the Hoare annotation is: false [2023-11-23 21:19:55,505 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:19:55,510 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:19:55,514 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:19:55,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:19:55 BoogieIcfgContainer [2023-11-23 21:19:55,547 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:19:55,549 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:19:55,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:19:55,550 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:19:55,551 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:15" (3/4) ... [2023-11-23 21:19:55,555 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:19:55,569 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 21:19:55,616 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 249 nodes and edges [2023-11-23 21:19:55,618 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-23 21:19:55,620 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:19:55,621 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:19:55,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:19:55,849 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:19:55,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:19:55,850 INFO L158 Benchmark]: Toolchain (without parser) took 45635.80ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 129.4MB in the beginning and 170.1MB in the end (delta: -40.8MB). Peak memory consumption was 89.2MB. Max. memory is 16.1GB. [2023-11-23 21:19:55,851 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:55,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1020.97ms. Allocated memory is still 172.0MB. Free memory was 129.4MB in the beginning and 94.5MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-23 21:19:55,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.17ms. Allocated memory is still 172.0MB. Free memory was 94.5MB in the beginning and 85.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:19:55,852 INFO L158 Benchmark]: Boogie Preprocessor took 201.95ms. Allocated memory is still 172.0MB. Free memory was 85.3MB in the beginning and 133.2MB in the end (delta: -47.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-23 21:19:55,853 INFO L158 Benchmark]: RCFGBuilder took 4286.13ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 133.2MB in the beginning and 77.1MB in the end (delta: 56.0MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. [2023-11-23 21:19:55,853 INFO L158 Benchmark]: TraceAbstraction took 39680.56ms. Allocated memory was 228.6MB in the beginning and 299.9MB in the end (delta: 71.3MB). Free memory was 77.1MB in the beginning and 180.6MB in the end (delta: -103.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:55,854 INFO L158 Benchmark]: Witness Printer took 300.81ms. Allocated memory is still 299.9MB. Free memory was 180.6MB in the beginning and 170.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:19:55,859 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 130.0MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1020.97ms. Allocated memory is still 172.0MB. Free memory was 129.4MB in the beginning and 94.5MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.17ms. Allocated memory is still 172.0MB. Free memory was 94.5MB in the beginning and 85.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 201.95ms. Allocated memory is still 172.0MB. Free memory was 85.3MB in the beginning and 133.2MB in the end (delta: -47.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4286.13ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 133.2MB in the beginning and 77.1MB in the end (delta: 56.0MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. * TraceAbstraction took 39680.56ms. Allocated memory was 228.6MB in the beginning and 299.9MB in the end (delta: 71.3MB). Free memory was 77.1MB in the beginning and 180.6MB in the end (delta: -103.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 300.81ms. Allocated memory is still 299.9MB. Free memory was 180.6MB in the beginning and 170.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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 - PositiveResult [Line: 724]: 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, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.6s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 37.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 37.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 272 SdHoareTripleChecker+Invalid, 37.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 165 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 107 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=1, 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, 42 LocationsWithAnnotation, 70 PreInvPairs, 78 NumberOfFragments, 132 HoareAnnotationTreeSize, 70 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 668 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 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: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-23 21:19:55,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452941b6-3586-42fe-ba69-418140866a9b/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