./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ --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 ad1cff32d745d4f106cd2272d34984c4724156cea3537acaf98384a0b708b01e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:52:53,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:53,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:52:53,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:54,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:54,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:54,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:54,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:54,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:54,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:54,029 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:54,030 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:54,030 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:54,031 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:52:54,031 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:54,032 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:54,033 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:52:54,033 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:52:54,034 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:54,035 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:52:54,035 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:52:54,036 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:52:54,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:54,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:54,038 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:52:54,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:52:54,040 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:52:54,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:54,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:54,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:54,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:54,043 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:52:54,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:54,044 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:54,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:54,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:54,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:54,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:54,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:54,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:54,047 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:52:54,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:52:54,048 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:54,048 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:54,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:54,049 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_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad1cff32d745d4f106cd2272d34984c4724156cea3537acaf98384a0b708b01e [2023-11-19 04:52:54,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:54,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:54,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:54,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:54,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:54,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-2.i [2023-11-19 04:52:57,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:57,929 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:57,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-2.i [2023-11-19 04:52:57,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/data/32571525e/e98091a1767e40d49b1d3275cb288019/FLAG26490e07c [2023-11-19 04:52:57,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/data/32571525e/e98091a1767e40d49b1d3275cb288019 [2023-11-19 04:52:57,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:57,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:57,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:57,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:57,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:57,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:57" (1/1) ... [2023-11-19 04:52:57,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7361314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:57, skipping insertion in model container [2023-11-19 04:52:57,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:57" (1/1) ... [2023-11-19 04:52:58,090 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:58,430 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:52:58,604 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_6f33165d-172a-4754-83da-296a597980d6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-2.i[33510,33523] [2023-11-19 04:52:58,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:58,800 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:58,819 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:52:58,868 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_6f33165d-172a-4754-83da-296a597980d6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-2.i[33510,33523] [2023-11-19 04:52:58,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:58,985 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:58,993 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:59,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59 WrapperNode [2023-11-19 04:52:59,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:59,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:59,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:59,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:59,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (1/1) ... [2023-11-19 04:52:59,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (1/1) ... [2023-11-19 04:52:59,195 INFO L138 Inliner]: procedures = 178, calls = 391, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1622 [2023-11-19 04:52:59,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:59,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:59,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:59,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:59,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (1/1) ... [2023-11-19 04:52:59,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (1/1) ... [2023-11-19 04:52:59,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (1/1) ... [2023-11-19 04:52:59,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (1/1) ... [2023-11-19 04:52:59,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (1/1) ... [2023-11-19 04:52:59,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (1/1) ... [2023-11-19 04:52:59,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (1/1) ... [2023-11-19 04:52:59,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (1/1) ... [2023-11-19 04:52:59,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:59,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:59,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:59,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:59,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (1/1) ... [2023-11-19 04:52:59,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:59,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:59,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:59,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:52:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:52:59,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:52:59,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:52:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:52:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:52:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:52:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:52:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:52:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:52:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:59,772 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:59,776 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:53:01,838 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:53:03,652 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:53:03,653 INFO L302 CfgBuilder]: Removed 69 assume(true) statements. [2023-11-19 04:53:03,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:03 BoogieIcfgContainer [2023-11-19 04:53:03,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:53:03,662 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:53:03,662 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:53:03,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:53:03,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:57" (1/3) ... [2023-11-19 04:53:03,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d2c01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:03, skipping insertion in model container [2023-11-19 04:53:03,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:59" (2/3) ... [2023-11-19 04:53:03,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d2c01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:03, skipping insertion in model container [2023-11-19 04:53:03,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:03" (3/3) ... [2023-11-19 04:53:03,668 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test4-2.i [2023-11-19 04:53:03,688 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:53:03,689 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:53:03,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:53:03,748 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;@3cd6e728, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:53:03,748 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:53:03,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 120 states have (on average 1.725) internal successors, (207), 121 states have internal predecessors, (207), 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) [2023-11-19 04:53:03,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:53:03,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:03,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 04:53:03,761 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:03,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:03,766 INFO L85 PathProgramCache]: Analyzing trace with hash 231301029, now seen corresponding path program 1 times [2023-11-19 04:53:03,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:03,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567058159] [2023-11-19 04:53:03,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:03,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:53:04,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:04,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567058159] [2023-11-19 04:53:04,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567058159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:04,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:04,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:53:04,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436242620] [2023-11-19 04:53:04,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:04,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:53:04,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:04,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:53:04,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:53:04,138 INFO L87 Difference]: Start difference. First operand has 129 states, 120 states have (on average 1.725) internal successors, (207), 121 states have internal predecessors, (207), 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) [2023-11-19 04:53:06,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:08,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:10,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:11,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:13,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:15,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:18,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:20,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:23,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:25,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:27,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:29,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:31,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:33,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:35,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:35,097 INFO L93 Difference]: Finished difference Result 329 states and 563 transitions. [2023-11-19 04:53:35,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:53:35,109 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 [2023-11-19 04:53:35,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:35,117 INFO L225 Difference]: With dead ends: 329 [2023-11-19 04:53:35,118 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 04:53:35,125 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 [2023-11-19 04:53:35,133 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 95 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 5 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:35,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 288 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 125 Invalid, 11 Unknown, 0 Unchecked, 30.9s Time] [2023-11-19 04:53:35,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 04:53:35,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-19 04:53:35,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 103 states have (on average 1.1067961165048543) internal successors, (114), 103 states have internal predecessors, (114), 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) [2023-11-19 04:53:35,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2023-11-19 04:53:35,194 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 6 [2023-11-19 04:53:35,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:35,195 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2023-11-19 04:53:35,195 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) [2023-11-19 04:53:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2023-11-19 04:53:35,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 04:53:35,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:35,200 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] [2023-11-19 04:53:35,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:53:35,201 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:35,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:35,202 INFO L85 PathProgramCache]: Analyzing trace with hash -61023662, now seen corresponding path program 1 times [2023-11-19 04:53:35,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:35,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388047670] [2023-11-19 04:53:35,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:35,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:35,355 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:53:35,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [594900472] [2023-11-19 04:53:35,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:35,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:53:35,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:35,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:53:35,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:53:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:36,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:53:36,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:53:36,151 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:53:36,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:36,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388047670] [2023-11-19 04:53:36,152 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:53:36,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594900472] [2023-11-19 04:53:36,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594900472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:36,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:36,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:53:36,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116559294] [2023-11-19 04:53:36,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:36,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:53:36,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:36,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:53:36,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:36,162 INFO L87 Difference]: Start difference. First operand 111 states and 126 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) [2023-11-19 04:53:38,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:40,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:42,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:44,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:46,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:48,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:53:48,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:48,203 INFO L93 Difference]: Finished difference Result 147 states and 167 transitions. [2023-11-19 04:53:48,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:53:48,212 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 [2023-11-19 04:53:48,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:48,213 INFO L225 Difference]: With dead ends: 147 [2023-11-19 04:53:48,213 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:53:48,214 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 [2023-11-19 04:53:48,216 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 11 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:48,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 84 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 4 Unknown, 0 Unchecked, 12.0s Time] [2023-11-19 04:53:48,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:53:48,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:53:48,218 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) [2023-11-19 04:53:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:53:48,218 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2023-11-19 04:53:48,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:48,218 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:53:48,218 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) [2023-11-19 04:53:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:53:48,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:53:48,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:53:48,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:53:48,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:53:48,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:53:48,491 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:53:48,491 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 04:53:48,491 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 04:53:48,491 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 733 758) no Hoare annotation was computed. [2023-11-19 04:53:48,492 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:53:48,492 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2023-11-19 04:53:48,492 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 725) no Hoare annotation was computed. [2023-11-19 04:53:48,492 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-19 04:53:48,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 724) no Hoare annotation was computed. [2023-11-19 04:53:48,493 INFO L899 garLoopResultBuilder]: For program point L738(line 738) no Hoare annotation was computed. [2023-11-19 04:53:48,493 INFO L899 garLoopResultBuilder]: For program point L739-2(lines 739 748) no Hoare annotation was computed. [2023-11-19 04:53:48,507 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)) [2023-11-19 04:53:48,508 INFO L899 garLoopResultBuilder]: For program point L746-68(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,508 INFO L902 garLoopResultBuilder]: At program point L746-69(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,508 INFO L899 garLoopResultBuilder]: For program point L746-70(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,508 INFO L902 garLoopResultBuilder]: At program point L746-71(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,509 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)) [2023-11-19 04:53:48,509 INFO L899 garLoopResultBuilder]: For program point L747-67(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,509 INFO L902 garLoopResultBuilder]: At program point L747-68(line 747) the Hoare annotation is: true [2023-11-19 04:53:48,509 INFO L899 garLoopResultBuilder]: For program point L747-69(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,509 INFO L902 garLoopResultBuilder]: At program point L747-70(line 747) the Hoare annotation is: true [2023-11-19 04:53:48,510 INFO L899 garLoopResultBuilder]: For program point L746-170(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,510 INFO L902 garLoopResultBuilder]: At program point L746-171(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,510 INFO L899 garLoopResultBuilder]: For program point L746-172(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,510 INFO L899 garLoopResultBuilder]: For program point L746-173(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,510 INFO L902 garLoopResultBuilder]: At program point L746-174(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,511 INFO L899 garLoopResultBuilder]: For program point L746-175(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,511 INFO L902 garLoopResultBuilder]: At program point L746-176(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,511 INFO L899 garLoopResultBuilder]: For program point L746-178(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,511 INFO L899 garLoopResultBuilder]: For program point L746-180(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,511 INFO L902 garLoopResultBuilder]: At program point L746-182(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,512 INFO L899 garLoopResultBuilder]: For program point L746-183(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,512 INFO L899 garLoopResultBuilder]: For program point L746-184(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,512 INFO L902 garLoopResultBuilder]: At program point L746-186(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,512 INFO L899 garLoopResultBuilder]: For program point L746-187(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,512 INFO L899 garLoopResultBuilder]: For program point L746-188(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,513 INFO L902 garLoopResultBuilder]: At program point L746-189(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,513 INFO L899 garLoopResultBuilder]: For program point L746-190(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,513 INFO L899 garLoopResultBuilder]: For program point L746-193(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,513 INFO L902 garLoopResultBuilder]: At program point L746-194(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,513 INFO L899 garLoopResultBuilder]: For program point L747-169(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,514 INFO L902 garLoopResultBuilder]: At program point L747-170(line 747) the Hoare annotation is: true [2023-11-19 04:53:48,514 INFO L899 garLoopResultBuilder]: For program point L746-202(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,514 INFO L899 garLoopResultBuilder]: For program point L747-171(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,514 INFO L902 garLoopResultBuilder]: At program point L746-203(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,514 INFO L899 garLoopResultBuilder]: For program point L747-172(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,515 INFO L902 garLoopResultBuilder]: At program point L747-173(line 747) the Hoare annotation is: true [2023-11-19 04:53:48,515 INFO L899 garLoopResultBuilder]: For program point L747-174(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,515 INFO L902 garLoopResultBuilder]: At program point L747-175(line 747) the Hoare annotation is: true [2023-11-19 04:53:48,515 INFO L899 garLoopResultBuilder]: For program point L747-177(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,515 INFO L899 garLoopResultBuilder]: For program point L746-210(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,516 INFO L899 garLoopResultBuilder]: For program point L747-179(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,516 INFO L899 garLoopResultBuilder]: For program point L746-212(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,516 INFO L895 garLoopResultBuilder]: At program point L747-181(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,516 INFO L899 garLoopResultBuilder]: For program point L747-182(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,516 INFO L902 garLoopResultBuilder]: At program point L746-214(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,517 INFO L899 garLoopResultBuilder]: For program point L747-183(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,517 INFO L899 garLoopResultBuilder]: For program point L746-215(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,517 INFO L895 garLoopResultBuilder]: At program point L747-185(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,517 INFO L899 garLoopResultBuilder]: For program point L747-186(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,517 INFO L899 garLoopResultBuilder]: For program point L747-187(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,517 INFO L895 garLoopResultBuilder]: At program point L747-188(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,518 INFO L899 garLoopResultBuilder]: For program point L747-189(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,518 INFO L899 garLoopResultBuilder]: For program point L747-192(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,518 INFO L895 garLoopResultBuilder]: At program point L747-193(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,518 INFO L899 garLoopResultBuilder]: For program point L746-225(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,518 INFO L902 garLoopResultBuilder]: At program point L753-9(lines 753 756) the Hoare annotation is: true [2023-11-19 04:53:48,519 INFO L899 garLoopResultBuilder]: For program point L747-201(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,519 INFO L895 garLoopResultBuilder]: At program point L747-202(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,519 INFO L899 garLoopResultBuilder]: For program point L746-235(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,519 INFO L902 garLoopResultBuilder]: At program point L746-236(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,519 INFO L899 garLoopResultBuilder]: For program point L746-237(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,520 INFO L899 garLoopResultBuilder]: For program point L747-209(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,520 INFO L899 garLoopResultBuilder]: For program point L747-211(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,520 INFO L895 garLoopResultBuilder]: At program point L747-213(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,520 INFO L899 garLoopResultBuilder]: For program point L747-214(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,520 INFO L902 garLoopResultBuilder]: At program point L746-246(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,521 INFO L902 garLoopResultBuilder]: At program point L746-248(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,521 INFO L899 garLoopResultBuilder]: For program point L746-249(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,521 INFO L899 garLoopResultBuilder]: For program point L754-3(line 754) no Hoare annotation was computed. [2023-11-19 04:53:48,521 INFO L899 garLoopResultBuilder]: For program point L746-255(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,521 INFO L899 garLoopResultBuilder]: For program point L747-224(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,521 INFO L899 garLoopResultBuilder]: For program point L746-256(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,522 INFO L899 garLoopResultBuilder]: For program point L754-8(line 754) no Hoare annotation was computed. [2023-11-19 04:53:48,522 INFO L902 garLoopResultBuilder]: At program point L746-257(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,522 INFO L899 garLoopResultBuilder]: For program point L746-259(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,522 INFO L899 garLoopResultBuilder]: For program point L754-11(line 754) no Hoare annotation was computed. [2023-11-19 04:53:48,522 INFO L899 garLoopResultBuilder]: For program point L746-260(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,523 INFO L902 garLoopResultBuilder]: At program point L754-12(line 754) the Hoare annotation is: true [2023-11-19 04:53:48,523 INFO L902 garLoopResultBuilder]: At program point L746-261(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,523 INFO L899 garLoopResultBuilder]: For program point L754-13(line 754) no Hoare annotation was computed. [2023-11-19 04:53:48,523 INFO L899 garLoopResultBuilder]: For program point L746-262(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,523 INFO L899 garLoopResultBuilder]: For program point L746-263(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,524 INFO L902 garLoopResultBuilder]: At program point L746-264(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,524 INFO L899 garLoopResultBuilder]: For program point L746-265(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,524 INFO L899 garLoopResultBuilder]: For program point L747-234(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,524 INFO L902 garLoopResultBuilder]: At program point L746-266(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,524 INFO L895 garLoopResultBuilder]: At program point L747-235(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,524 INFO L899 garLoopResultBuilder]: For program point L746-267(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,525 INFO L899 garLoopResultBuilder]: For program point L747-236(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,525 INFO L899 garLoopResultBuilder]: For program point L746-268(line 746) no Hoare annotation was computed. [2023-11-19 04:53:48,525 INFO L902 garLoopResultBuilder]: At program point L746-269(line 746) the Hoare annotation is: true [2023-11-19 04:53:48,525 INFO L899 garLoopResultBuilder]: For program point L754-22(line 754) no Hoare annotation was computed. [2023-11-19 04:53:48,525 INFO L902 garLoopResultBuilder]: At program point L754-23(line 754) the Hoare annotation is: true [2023-11-19 04:53:48,526 INFO L895 garLoopResultBuilder]: At program point L747-245(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,526 INFO L895 garLoopResultBuilder]: At program point L747-247(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,526 INFO L899 garLoopResultBuilder]: For program point L747-248(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,526 INFO L899 garLoopResultBuilder]: For program point L754-34(line 754) no Hoare annotation was computed. [2023-11-19 04:53:48,526 INFO L902 garLoopResultBuilder]: At program point L754-35(line 754) the Hoare annotation is: true [2023-11-19 04:53:48,526 INFO L899 garLoopResultBuilder]: For program point L754-36(line 754) no Hoare annotation was computed. [2023-11-19 04:53:48,527 INFO L899 garLoopResultBuilder]: For program point L747-254(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,527 INFO L899 garLoopResultBuilder]: For program point L754-37(line 754) no Hoare annotation was computed. [2023-11-19 04:53:48,527 INFO L899 garLoopResultBuilder]: For program point L747-255(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,527 INFO L899 garLoopResultBuilder]: For program point L754-38(line 754) no Hoare annotation was computed. [2023-11-19 04:53:48,527 INFO L895 garLoopResultBuilder]: At program point L747-256(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,528 INFO L902 garLoopResultBuilder]: At program point L754-39(line 754) the Hoare annotation is: true [2023-11-19 04:53:48,528 INFO L899 garLoopResultBuilder]: For program point L754-40(line 754) no Hoare annotation was computed. [2023-11-19 04:53:48,528 INFO L899 garLoopResultBuilder]: For program point L747-258(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,528 INFO L899 garLoopResultBuilder]: For program point L747-259(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,528 INFO L895 garLoopResultBuilder]: At program point L747-260(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,529 INFO L899 garLoopResultBuilder]: For program point L747-261(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,529 INFO L899 garLoopResultBuilder]: For program point L747-262(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,529 INFO L895 garLoopResultBuilder]: At program point L747-263(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,529 INFO L899 garLoopResultBuilder]: For program point L747-264(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,529 INFO L895 garLoopResultBuilder]: At program point L747-265(line 747) the Hoare annotation is: false [2023-11-19 04:53:48,530 INFO L899 garLoopResultBuilder]: For program point L747-266(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,530 INFO L899 garLoopResultBuilder]: For program point L747-267(line 747) no Hoare annotation was computed. [2023-11-19 04:53:48,530 INFO L902 garLoopResultBuilder]: At program point L747-268(line 747) the Hoare annotation is: true [2023-11-19 04:53:48,530 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:53:48,534 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 04:53:48,536 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:53:48,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:53:48 BoogieIcfgContainer [2023-11-19 04:53:48,551 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:53:48,552 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:53:48,552 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:53:48,552 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:53:48,553 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:03" (3/4) ... [2023-11-19 04:53:48,555 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:53:48,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 04:53:48,587 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 147 nodes and edges [2023-11-19 04:53:48,589 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 04:53:48,590 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 04:53:48,592 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:53:48,764 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:53:48,764 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:53:48,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:53:48,765 INFO L158 Benchmark]: Toolchain (without parser) took 50779.42ms. Allocated memory was 138.4MB in the beginning and 264.2MB in the end (delta: 125.8MB). Free memory was 94.4MB in the beginning and 127.4MB in the end (delta: -33.1MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2023-11-19 04:53:48,765 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:53:48,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1011.67ms. Allocated memory is still 138.4MB. Free memory was 94.4MB in the beginning and 96.8MB in the end (delta: -2.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-11-19 04:53:48,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 192.68ms. Allocated memory is still 138.4MB. Free memory was 96.8MB in the beginning and 86.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:53:48,767 INFO L158 Benchmark]: Boogie Preprocessor took 160.61ms. Allocated memory is still 138.4MB. Free memory was 86.3MB in the beginning and 75.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:53:48,767 INFO L158 Benchmark]: RCFGBuilder took 4301.40ms. Allocated memory was 138.4MB in the beginning and 264.2MB in the end (delta: 125.8MB). Free memory was 75.0MB in the beginning and 92.1MB in the end (delta: -17.1MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. [2023-11-19 04:53:48,767 INFO L158 Benchmark]: TraceAbstraction took 44889.55ms. Allocated memory is still 264.2MB. Free memory was 91.0MB in the beginning and 140.0MB in the end (delta: -49.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:53:48,768 INFO L158 Benchmark]: Witness Printer took 213.05ms. Allocated memory is still 264.2MB. Free memory was 140.0MB in the beginning and 127.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:53:48,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1011.67ms. Allocated memory is still 138.4MB. Free memory was 94.4MB in the beginning and 96.8MB in the end (delta: -2.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 192.68ms. Allocated memory is still 138.4MB. Free memory was 96.8MB in the beginning and 86.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.61ms. Allocated memory is still 138.4MB. Free memory was 86.3MB in the beginning and 75.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4301.40ms. Allocated memory was 138.4MB in the beginning and 264.2MB in the end (delta: 125.8MB). Free memory was 75.0MB in the beginning and 92.1MB in the end (delta: -17.1MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. * TraceAbstraction took 44889.55ms. Allocated memory is still 264.2MB. Free memory was 91.0MB in the beginning and 140.0MB in the end (delta: -49.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 213.05ms. Allocated memory is still 264.2MB. Free memory was 140.0MB in the beginning and 127.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 43.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 42.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 372 SdHoareTripleChecker+Invalid, 42.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 164 mSDtfsCounter, 149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 15 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=129occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 77 PreInvPairs, 138 NumberOfFragments, 71 HoareAnnotationTreeSize, 77 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 47 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s 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: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - 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: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 04:53:48,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f33165d-172a-4754-83da-296a597980d6/bin/utaipan-verify-t7M7D8N6sZ/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