./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.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_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/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_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/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_1427b8ea-0f85-4165-879c-3af76fa6beef/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 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:02:48,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:02:48,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:02:48,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:02:48,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:02:48,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:02:48,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:02:48,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:02:48,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:02:48,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:02:48,334 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:02:48,335 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:02:48,335 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:02:48,337 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:02:48,337 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:02:48,338 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:02:48,338 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:02:48,339 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:02:48,339 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:02:48,340 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:02:48,340 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:02:48,341 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:02:48,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:02:48,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:02:48,343 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:02:48,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:02:48,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:02:48,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:02:48,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:02:48,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:02:48,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:02:48,346 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:02:48,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:02:48,347 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:02:48,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:02:48,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:02:48,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:48,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:02:48,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:02:48,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:02:48,349 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:02:48,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:02:48,350 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:02:48,350 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:02:48,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:02:48,351 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_1427b8ea-0f85-4165-879c-3af76fa6beef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2023-11-19 05:02:48,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:02:48,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:02:48,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:02:48,664 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:02:48,664 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:02:48,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2023-11-19 05:02:51,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:02:52,155 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:02:52,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2023-11-19 05:02:52,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/data/d7f8aebe5/90b52601fe5245fb8bc841fd31661028/FLAGe918bcbda [2023-11-19 05:02:52,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/data/d7f8aebe5/90b52601fe5245fb8bc841fd31661028 [2023-11-19 05:02:52,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:02:52,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:02:52,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:52,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:02:52,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:02:52,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:52,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286a2622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52, skipping insertion in model container [2023-11-19 05:02:52,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:52,312 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:02:52,697 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_1427b8ea-0f85-4165-879c-3af76fa6beef/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2023-11-19 05:02:52,821 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_1427b8ea-0f85-4165-879c-3af76fa6beef/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2023-11-19 05:02:52,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:52,839 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:02:52,869 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_1427b8ea-0f85-4165-879c-3af76fa6beef/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2023-11-19 05:02:52,927 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_1427b8ea-0f85-4165-879c-3af76fa6beef/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2023-11-19 05:02:52,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:52,981 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:02:52,987 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:02:52,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52 WrapperNode [2023-11-19 05:02:52,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:52,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:52,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:02:52,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:02:52,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:53,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:53,139 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1359 [2023-11-19 05:02:53,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:53,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:02:53,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:02:53,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:02:53,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:53,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:53,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:53,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:53,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:53,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:53,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:53,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:53,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:02:53,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:02:53,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:02:53,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:02:53,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (1/1) ... [2023-11-19 05:02:53,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:53,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:53,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:02:53,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:02:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:02:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 05:02:53,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 05:02:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:02:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:02:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:02:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:02:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:02:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:02:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:02:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:02:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:02:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:02:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:02:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:02:53,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:02:53,644 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:02:53,646 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:02:55,162 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:02:56,902 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:02:56,902 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 05:02:56,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:56 BoogieIcfgContainer [2023-11-19 05:02:56,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:02:56,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:02:56,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:02:56,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:02:56,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:02:52" (1/3) ... [2023-11-19 05:02:56,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d8273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:56, skipping insertion in model container [2023-11-19 05:02:56,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:52" (2/3) ... [2023-11-19 05:02:56,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d8273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:56, skipping insertion in model container [2023-11-19 05:02:56,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:56" (3/3) ... [2023-11-19 05:02:56,926 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-1.i [2023-11-19 05:02:56,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:02:56,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 05:02:57,009 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:02:57,016 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;@805138f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:02:57,016 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 05:02:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 118 states have (on average 1.7457627118644068) internal successors, (206), 125 states have internal predecessors, (206), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 05:02:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:02:57,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:57,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:57,030 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:57,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:57,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1341211828, now seen corresponding path program 1 times [2023-11-19 05:02:57,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:57,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39315358] [2023-11-19 05:02:57,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:57,277 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 05:02:57,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:57,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39315358] [2023-11-19 05:02:57,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39315358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:57,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:57,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:02:57,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836240809] [2023-11-19 05:02:57,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:57,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:02:57,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:57,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:02:57,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:02:57,340 INFO L87 Difference]: Start difference. First operand has 131 states, 118 states have (on average 1.7457627118644068) internal successors, (206), 125 states have internal predecessors, (206), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:59,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:01,423 WARN L539 Checker$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 05:03:02,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:04,595 WARN L539 Checker$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 05:03:06,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:03:06,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:06,847 INFO L93 Difference]: Finished difference Result 259 states and 445 transitions. [2023-11-19 05:03:06,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:03:06,854 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 05:03:06,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:06,863 INFO L225 Difference]: With dead ends: 259 [2023-11-19 05:03:06,864 INFO L226 Difference]: Without dead ends: 127 [2023-11-19 05:03:06,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:03:06,870 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:06,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2023-11-19 05:03:06,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-19 05:03:06,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2023-11-19 05:03:06,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 115 states have (on average 1.2) internal successors, (138), 121 states have internal predecessors, (138), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 05:03:06,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2023-11-19 05:03:06,921 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 8 [2023-11-19 05:03:06,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:06,921 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2023-11-19 05:03:06,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:06,922 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2023-11-19 05:03:06,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 05:03:06,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:06,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:06,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:03:06,924 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:06,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:06,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1747210771, now seen corresponding path program 1 times [2023-11-19 05:03:06,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:03:06,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313582342] [2023-11-19 05:03:06,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:06,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:03:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:07,143 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 05:03:07,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:03:07,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313582342] [2023-11-19 05:03:07,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313582342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:07,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:07,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:03:07,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23705261] [2023-11-19 05:03:07,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:07,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:03:07,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:03:07,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:03:07,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:03:07,148 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:09,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:11,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:13,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:15,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:17,698 WARN L539 Checker$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 05:03:19,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:21,716 WARN L539 Checker$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 05:03:23,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:25,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:27,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:03:28,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:28,650 INFO L93 Difference]: Finished difference Result 220 states and 268 transitions. [2023-11-19 05:03:28,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:03:28,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-19 05:03:28,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:28,657 INFO L225 Difference]: With dead ends: 220 [2023-11-19 05:03:28,657 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 05:03:28,658 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 05:03:28,659 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 34 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:28,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 201 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 7 Unknown, 0 Unchecked, 21.5s Time] [2023-11-19 05:03:28,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 05:03:28,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 05:03:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 75 states have internal predecessors, (82), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 05:03:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 98 transitions. [2023-11-19 05:03:28,672 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 98 transitions. Word has length 13 [2023-11-19 05:03:28,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:28,673 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 98 transitions. [2023-11-19 05:03:28,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2023-11-19 05:03:28,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 05:03:28,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:28,675 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 05:03:28,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:03:28,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:28,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:28,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1131013734, now seen corresponding path program 1 times [2023-11-19 05:03:28,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:03:28,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960722776] [2023-11-19 05:03:28,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:28,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:03:28,770 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:03:28,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1574654817] [2023-11-19 05:03:28,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:28,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:03:28,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:03:28,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:03:28,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:03:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:29,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:03:29,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:03:29,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:29,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:03:29,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960722776] [2023-11-19 05:03:29,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:03:29,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574654817] [2023-11-19 05:03:29,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574654817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:29,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:29,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:03:29,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612052329] [2023-11-19 05:03:29,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:29,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:03:29,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:03:29,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:03:29,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:03:29,280 INFO L87 Difference]: Start difference. First operand 81 states and 98 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:31,304 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 05:03:33,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:34,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:03:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:35,074 INFO L93 Difference]: Finished difference Result 134 states and 164 transitions. [2023-11-19 05:03:35,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:03:35,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2023-11-19 05:03:35,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:35,080 INFO L225 Difference]: With dead ends: 134 [2023-11-19 05:03:35,080 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 05:03:35,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 05:03:35,084 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 11 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:35,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 136 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2023-11-19 05:03:35,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 05:03:35,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-19 05:03:35,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 68 states have (on average 1.161764705882353) internal successors, (79), 73 states have internal predecessors, (79), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 05:03:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 95 transitions. [2023-11-19 05:03:35,107 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 95 transitions. Word has length 41 [2023-11-19 05:03:35,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:35,108 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 95 transitions. [2023-11-19 05:03:35,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:35,108 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2023-11-19 05:03:35,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 05:03:35,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:35,112 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2023-11-19 05:03:35,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:35,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-19 05:03:35,328 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:35,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:35,329 INFO L85 PathProgramCache]: Analyzing trace with hash 697430506, now seen corresponding path program 1 times [2023-11-19 05:03:35,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:03:35,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695602282] [2023-11-19 05:03:35,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:35,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:03:35,464 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:03:35,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382034069] [2023-11-19 05:03:35,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:35,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:03:35,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:03:35,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:03:35,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 05:03:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:35,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:03:35,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:35,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 05:03:35,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 05:03:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 05:03:35,943 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:35,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:03:35,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695602282] [2023-11-19 05:03:35,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:03:35,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382034069] [2023-11-19 05:03:35,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382034069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:35,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:35,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:03:35,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871869984] [2023-11-19 05:03:35,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:35,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:03:35,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:03:35,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:03:35,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:03:35,947 INFO L87 Difference]: Start difference. First operand 79 states and 95 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:03:37,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:39,997 WARN L539 Checker$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 05:03:42,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:44,018 WARN L539 Checker$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 05:03:46,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:48,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:50,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:03:50,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:50,322 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2023-11-19 05:03:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:03:50,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 54 [2023-11-19 05:03:50,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:50,327 INFO L225 Difference]: With dead ends: 79 [2023-11-19 05:03:50,328 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:03:50,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 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 05:03:50,329 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 50 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:50,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 95 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 4 Unknown, 0 Unchecked, 14.3s Time] [2023-11-19 05:03:50,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:03:50,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:03:50,331 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 05:03:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:03:50,331 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2023-11-19 05:03:50,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:50,332 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:03:50,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:03:50,332 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:03:50,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:03:50,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-19 05:03:50,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-19 05:03:50,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:50,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:03:50,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:03:50,652 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:03:50,653 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 05:03:50,653 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 05:03:50,653 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 724) no Hoare annotation was computed. [2023-11-19 05:03:50,654 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-19 05:03:50,654 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-19 05:03:50,654 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-19 05:03:50,654 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-19 05:03:50,654 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-19 05:03:50,654 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-19 05:03:50,655 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-19 05:03:50,655 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:03:50,655 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-19 05:03:50,655 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-19 05:03:50,655 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-19 05:03:50,656 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2023-11-19 05:03:50,656 INFO L899 garLoopResultBuilder]: For program point L735-1(lines 735 743) no Hoare annotation was computed. [2023-11-19 05:03:50,656 INFO L899 garLoopResultBuilder]: For program point L735-3(lines 735 743) no Hoare annotation was computed. [2023-11-19 05:03:50,656 INFO L895 garLoopResultBuilder]: At program point L735-4(lines 735 743) the Hoare annotation is: (or (< |ULTIMATE.start_main_#t~mem166#1| 1) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0))) [2023-11-19 05:03:50,656 INFO L899 garLoopResultBuilder]: For program point L735-5(lines 735 743) no Hoare annotation was computed. [2023-11-19 05:03:50,657 INFO L899 garLoopResultBuilder]: For program point L744-1(lines 744 752) no Hoare annotation was computed. [2023-11-19 05:03:50,657 INFO L899 garLoopResultBuilder]: For program point L744-3(lines 744 752) no Hoare annotation was computed. [2023-11-19 05:03:50,657 INFO L895 garLoopResultBuilder]: At program point L744-4(lines 744 752) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (<= |ULTIMATE.start_main_#t~mem166#1| 0)) [2023-11-19 05:03:50,657 INFO L899 garLoopResultBuilder]: For program point L744-5(lines 744 752) no Hoare annotation was computed. [2023-11-19 05:03:50,657 INFO L899 garLoopResultBuilder]: For program point L742-68(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,658 INFO L902 garLoopResultBuilder]: At program point L742-69(line 742) the Hoare annotation is: true [2023-11-19 05:03:50,658 INFO L899 garLoopResultBuilder]: For program point L742-70(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,658 INFO L902 garLoopResultBuilder]: At program point L742-71(line 742) the Hoare annotation is: true [2023-11-19 05:03:50,658 INFO L899 garLoopResultBuilder]: For program point L747-3(line 747) no Hoare annotation was computed. [2023-11-19 05:03:50,658 INFO L899 garLoopResultBuilder]: For program point L745-68(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,658 INFO L902 garLoopResultBuilder]: At program point L745-69(line 745) the Hoare annotation is: true [2023-11-19 05:03:50,659 INFO L899 garLoopResultBuilder]: For program point L745-70(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,659 INFO L899 garLoopResultBuilder]: For program point L747-8(line 747) no Hoare annotation was computed. [2023-11-19 05:03:50,659 INFO L895 garLoopResultBuilder]: At program point L745-71(line 745) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-19 05:03:50,659 INFO L899 garLoopResultBuilder]: For program point L747-11(line 747) no Hoare annotation was computed. [2023-11-19 05:03:50,659 INFO L895 garLoopResultBuilder]: At program point L747-12(line 747) the Hoare annotation is: false [2023-11-19 05:03:50,660 INFO L899 garLoopResultBuilder]: For program point L747-13(line 747) no Hoare annotation was computed. [2023-11-19 05:03:50,660 INFO L899 garLoopResultBuilder]: For program point L742-170(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,660 INFO L902 garLoopResultBuilder]: At program point L742-171(line 742) the Hoare annotation is: true [2023-11-19 05:03:50,660 INFO L899 garLoopResultBuilder]: For program point L742-172(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,660 INFO L899 garLoopResultBuilder]: For program point L742-173(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,660 INFO L902 garLoopResultBuilder]: At program point L742-174(line 742) the Hoare annotation is: true [2023-11-19 05:03:50,661 INFO L899 garLoopResultBuilder]: For program point L742-175(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,661 INFO L902 garLoopResultBuilder]: At program point L742-176(line 742) the Hoare annotation is: true [2023-11-19 05:03:50,661 INFO L899 garLoopResultBuilder]: For program point L747-22(line 747) no Hoare annotation was computed. [2023-11-19 05:03:50,661 INFO L899 garLoopResultBuilder]: For program point L742-178(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,661 INFO L895 garLoopResultBuilder]: At program point L747-23(line 747) the Hoare annotation is: false [2023-11-19 05:03:50,661 INFO L899 garLoopResultBuilder]: For program point L742-180(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,662 INFO L895 garLoopResultBuilder]: At program point L742-182(line 742) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (<= |ULTIMATE.start_main_#t~mem166#1| 0)) [2023-11-19 05:03:50,662 INFO L899 garLoopResultBuilder]: For program point L742-183(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,662 INFO L899 garLoopResultBuilder]: For program point L742-184(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,662 INFO L895 garLoopResultBuilder]: At program point L742-186(line 742) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (<= |ULTIMATE.start_main_#t~mem166#1| 0)) [2023-11-19 05:03:50,662 INFO L899 garLoopResultBuilder]: For program point L742-187(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,663 INFO L899 garLoopResultBuilder]: For program point L742-188(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,663 INFO L895 garLoopResultBuilder]: At program point L742-189(line 742) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (<= |ULTIMATE.start_main_#t~mem166#1| 0)) [2023-11-19 05:03:50,663 INFO L899 garLoopResultBuilder]: For program point L747-34(line 747) no Hoare annotation was computed. [2023-11-19 05:03:50,663 INFO L899 garLoopResultBuilder]: For program point L742-190(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,663 INFO L895 garLoopResultBuilder]: At program point L747-35(line 747) the Hoare annotation is: false [2023-11-19 05:03:50,663 INFO L899 garLoopResultBuilder]: For program point L747-36(line 747) no Hoare annotation was computed. [2023-11-19 05:03:50,664 INFO L899 garLoopResultBuilder]: For program point L747-37(line 747) no Hoare annotation was computed. [2023-11-19 05:03:50,664 INFO L899 garLoopResultBuilder]: For program point L742-193(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,664 INFO L899 garLoopResultBuilder]: For program point L747-38(line 747) no Hoare annotation was computed. [2023-11-19 05:03:50,664 INFO L895 garLoopResultBuilder]: At program point L742-194(line 742) the Hoare annotation is: false [2023-11-19 05:03:50,664 INFO L895 garLoopResultBuilder]: At program point L747-39(line 747) the Hoare annotation is: false [2023-11-19 05:03:50,664 INFO L899 garLoopResultBuilder]: For program point L747-40(line 747) no Hoare annotation was computed. [2023-11-19 05:03:50,665 INFO L899 garLoopResultBuilder]: For program point L742-202(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,665 INFO L895 garLoopResultBuilder]: At program point L742-203(line 742) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~mem166#1| 0) [2023-11-19 05:03:50,665 INFO L899 garLoopResultBuilder]: For program point L742-210(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,665 INFO L899 garLoopResultBuilder]: For program point L742-212(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,665 INFO L895 garLoopResultBuilder]: At program point L742-214(line 742) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~mem166#1| 0) [2023-11-19 05:03:50,666 INFO L899 garLoopResultBuilder]: For program point L742-215(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,666 INFO L899 garLoopResultBuilder]: For program point L742-225(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,666 INFO L899 garLoopResultBuilder]: For program point L742-235(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,666 INFO L895 garLoopResultBuilder]: At program point L742-236(line 742) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~mem166#1| 0) [2023-11-19 05:03:50,666 INFO L899 garLoopResultBuilder]: For program point L742-237(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,666 INFO L895 garLoopResultBuilder]: At program point L742-246(line 742) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~mem166#1| 0) [2023-11-19 05:03:50,667 INFO L895 garLoopResultBuilder]: At program point L742-248(line 742) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~mem166#1| 0) [2023-11-19 05:03:50,667 INFO L899 garLoopResultBuilder]: For program point L750(line 750) no Hoare annotation was computed. [2023-11-19 05:03:50,667 INFO L899 garLoopResultBuilder]: For program point L742-249(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,667 INFO L899 garLoopResultBuilder]: For program point L742-255(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,667 INFO L899 garLoopResultBuilder]: For program point L742-256(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,668 INFO L895 garLoopResultBuilder]: At program point L742-257(line 742) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~mem166#1| 0) [2023-11-19 05:03:50,668 INFO L899 garLoopResultBuilder]: For program point L742-259(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,668 INFO L899 garLoopResultBuilder]: For program point L742-260(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,668 INFO L895 garLoopResultBuilder]: At program point L742-261(line 742) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~mem166#1| 0) [2023-11-19 05:03:50,668 INFO L899 garLoopResultBuilder]: For program point L742-262(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,668 INFO L899 garLoopResultBuilder]: For program point L742-263(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,669 INFO L899 garLoopResultBuilder]: For program point L745-170(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,669 INFO L895 garLoopResultBuilder]: At program point L742-264(line 742) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~mem166#1| 0) [2023-11-19 05:03:50,669 INFO L895 garLoopResultBuilder]: At program point L745-171(line 745) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-19 05:03:50,669 INFO L899 garLoopResultBuilder]: For program point L742-265(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,669 INFO L899 garLoopResultBuilder]: For program point L745-172(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,670 INFO L895 garLoopResultBuilder]: At program point L742-266(line 742) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (<= |ULTIMATE.start_main_#t~mem166#1| 0)) [2023-11-19 05:03:50,670 INFO L899 garLoopResultBuilder]: For program point L745-173(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,670 INFO L899 garLoopResultBuilder]: For program point L742-267(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,670 INFO L895 garLoopResultBuilder]: At program point L745-174(line 745) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-19 05:03:50,670 INFO L899 garLoopResultBuilder]: For program point L742-268(line 742) no Hoare annotation was computed. [2023-11-19 05:03:50,670 INFO L899 garLoopResultBuilder]: For program point L745-175(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,671 INFO L902 garLoopResultBuilder]: At program point L742-269(line 742) the Hoare annotation is: true [2023-11-19 05:03:50,671 INFO L895 garLoopResultBuilder]: At program point L745-176(line 745) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-19 05:03:50,671 INFO L899 garLoopResultBuilder]: For program point L745-178(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,671 INFO L899 garLoopResultBuilder]: For program point L745-185(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,671 INFO L895 garLoopResultBuilder]: At program point L745-186(line 745) the Hoare annotation is: false [2023-11-19 05:03:50,672 INFO L899 garLoopResultBuilder]: For program point L745-187(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,672 INFO L899 garLoopResultBuilder]: For program point L745-188(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,672 INFO L899 garLoopResultBuilder]: For program point L745-190(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,672 INFO L895 garLoopResultBuilder]: At program point L745-191(line 745) the Hoare annotation is: false [2023-11-19 05:03:50,672 INFO L899 garLoopResultBuilder]: For program point L745-197(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,672 INFO L899 garLoopResultBuilder]: For program point L745-198(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,673 INFO L899 garLoopResultBuilder]: For program point L745-201(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,673 INFO L899 garLoopResultBuilder]: For program point L745-202(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,673 INFO L899 garLoopResultBuilder]: For program point L745-204(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,673 INFO L895 garLoopResultBuilder]: At program point L745-205(line 745) the Hoare annotation is: false [2023-11-19 05:03:50,673 INFO L895 garLoopResultBuilder]: At program point L745-207(line 745) the Hoare annotation is: false [2023-11-19 05:03:50,673 INFO L899 garLoopResultBuilder]: For program point L745-208(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,674 INFO L895 garLoopResultBuilder]: At program point L745-209(line 745) the Hoare annotation is: false [2023-11-19 05:03:50,674 INFO L899 garLoopResultBuilder]: For program point L745-211(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,674 INFO L899 garLoopResultBuilder]: For program point L745-213(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,674 INFO L895 garLoopResultBuilder]: At program point L745-214(line 745) the Hoare annotation is: false [2023-11-19 05:03:50,674 INFO L899 garLoopResultBuilder]: For program point L745-215(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,674 INFO L899 garLoopResultBuilder]: For program point L745-216(line 745) no Hoare annotation was computed. [2023-11-19 05:03:50,675 INFO L895 garLoopResultBuilder]: At program point L745-217(line 745) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-19 05:03:50,675 INFO L899 garLoopResultBuilder]: For program point L745-218(lines 744 752) no Hoare annotation was computed. [2023-11-19 05:03:50,675 INFO L895 garLoopResultBuilder]: At program point L753-3(lines 753 755) the Hoare annotation is: false [2023-11-19 05:03:50,675 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:03:50,675 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-11-19 05:03:50,676 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-19 05:03:50,676 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2023-11-19 05:03:50,676 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-19 05:03:50,676 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-19 05:03:50,676 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 703) no Hoare annotation was computed. [2023-11-19 05:03:50,680 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 05:03:50,682 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:03:50,710 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated [2023-11-19 05:03:50,712 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:03:50,713 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated [2023-11-19 05:03:50,713 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated [2023-11-19 05:03:50,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated [2023-11-19 05:03:50,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:03:50,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:03:50,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated [2023-11-19 05:03:50,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:03:50,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:03:50,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated [2023-11-19 05:03:50,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated [2023-11-19 05:03:50,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated [2023-11-19 05:03:50,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:03:50,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated [2023-11-19 05:03:50,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated [2023-11-19 05:03:50,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:03:50,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated [2023-11-19 05:03:50,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:03:50,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:03:50 BoogieIcfgContainer [2023-11-19 05:03:50,725 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:03:50,726 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:03:50,726 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:03:50,726 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:03:50,727 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:56" (3/4) ... [2023-11-19 05:03:50,729 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:03:50,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 05:03:50,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 05:03:50,763 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 223 nodes and edges [2023-11-19 05:03:50,765 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-19 05:03:50,767 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 05:03:50,770 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 05:03:50,963 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:03:50,964 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:03:50,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:03:50,965 INFO L158 Benchmark]: Toolchain (without parser) took 58753.96ms. Allocated memory was 201.3MB in the beginning and 306.2MB in the end (delta: 104.9MB). Free memory was 167.1MB in the beginning and 142.1MB in the end (delta: 25.0MB). Peak memory consumption was 130.3MB. Max. memory is 16.1GB. [2023-11-19 05:03:50,965 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:03:50,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.02ms. Allocated memory is still 201.3MB. Free memory was 166.6MB in the beginning and 133.4MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 05:03:50,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.75ms. Allocated memory is still 201.3MB. Free memory was 133.4MB in the beginning and 124.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:03:50,966 INFO L158 Benchmark]: Boogie Preprocessor took 161.89ms. Allocated memory is still 201.3MB. Free memory was 124.7MB in the beginning and 116.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:03:50,967 INFO L158 Benchmark]: RCFGBuilder took 3610.72ms. Allocated memory was 201.3MB in the beginning and 306.2MB in the end (delta: 104.9MB). Free memory was 115.8MB in the beginning and 245.8MB in the end (delta: -130.0MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. [2023-11-19 05:03:50,967 INFO L158 Benchmark]: TraceAbstraction took 53808.37ms. Allocated memory is still 306.2MB. Free memory was 245.8MB in the beginning and 158.9MB in the end (delta: 86.9MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2023-11-19 05:03:50,968 INFO L158 Benchmark]: Witness Printer took 237.94ms. Allocated memory is still 306.2MB. Free memory was 158.9MB in the beginning and 142.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:03:50,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.02ms. Allocated memory is still 201.3MB. Free memory was 166.6MB in the beginning and 133.4MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.75ms. Allocated memory is still 201.3MB. Free memory was 133.4MB in the beginning and 124.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 161.89ms. Allocated memory is still 201.3MB. Free memory was 124.7MB in the beginning and 116.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3610.72ms. Allocated memory was 201.3MB in the beginning and 306.2MB in the end (delta: 104.9MB). Free memory was 115.8MB in the beginning and 245.8MB in the end (delta: -130.0MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. * TraceAbstraction took 53808.37ms. Allocated memory is still 306.2MB. Free memory was 245.8MB in the beginning and 158.9MB in the end (delta: 86.9MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. * Witness Printer took 237.94ms. Allocated memory is still 306.2MB. Free memory was 158.9MB in the beginning and 142.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem166 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 750]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 703]: 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 3 procedures, 131 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 53.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 51.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 51.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 563 SdHoareTripleChecker+Invalid, 50.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 222 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 156 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 341 mSDtfsCounter, 156 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 83 PreInvPairs, 116 NumberOfFragments, 162 HoareAnnotationTreeSize, 83 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 3 NumberOfNonLiveVariables, 881 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 7/7 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 2 specifications checked. All of them hold - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-19 05:03:51,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427b8ea-0f85-4165-879c-3af76fa6beef/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