./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:41,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:41,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:36:41,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:41,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:41,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:41,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:41,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:41,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:41,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:41,870 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:41,870 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:41,871 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:41,871 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:36:41,872 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:41,872 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:41,873 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:36:41,873 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:36:41,874 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:41,874 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:36:41,874 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:36:41,876 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:36:41,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:41,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:41,878 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:41,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:36:41,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:41,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:41,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:41,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:41,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:41,898 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:41,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:41,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:41,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:41,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:41,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:41,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:41,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:41,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:41,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:41,906 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:36:41,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:36:41,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:41,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:41,907 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:41,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:41,908 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_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2023-11-23 20:36:42,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:42,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:42,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:42,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:42,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:42,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i [2023-11-23 20:36:45,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:45,920 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:45,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i [2023-11-23 20:36:45,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/data/cff165c84/83d0f0c87e1a4533b69dd0bba118eeea/FLAGde04128a5 [2023-11-23 20:36:45,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/data/cff165c84/83d0f0c87e1a4533b69dd0bba118eeea [2023-11-23 20:36:45,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:45,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:45,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:46,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:46,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:46,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:45" (1/1) ... [2023-11-23 20:36:46,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6d5ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:46, skipping insertion in model container [2023-11-23 20:36:46,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:45" (1/1) ... [2023-11-23 20:36:46,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:46,506 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:36:46,757 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_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i[33519,33532] [2023-11-23 20:36:47,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:47,049 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:47,071 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:36:47,087 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_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i[33519,33532] [2023-11-23 20:36:47,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:47,252 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:47,253 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:47,261 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:47,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47 WrapperNode [2023-11-23 20:36:47,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:47,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:47,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:47,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:47,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (1/1) ... [2023-11-23 20:36:47,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (1/1) ... [2023-11-23 20:36:47,515 INFO L138 Inliner]: procedures = 178, calls = 333, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1502 [2023-11-23 20:36:47,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:47,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:47,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:47,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:47,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (1/1) ... [2023-11-23 20:36:47,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (1/1) ... [2023-11-23 20:36:47,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (1/1) ... [2023-11-23 20:36:47,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (1/1) ... [2023-11-23 20:36:47,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (1/1) ... [2023-11-23 20:36:47,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (1/1) ... [2023-11-23 20:36:47,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (1/1) ... [2023-11-23 20:36:47,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (1/1) ... [2023-11-23 20:36:47,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:47,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:47,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:47,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:47,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (1/1) ... [2023-11-23 20:36:47,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:47,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:47,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:47,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:36:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:36:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:36:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:36:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:36:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:36:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:36:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:36:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:36:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:36:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:36:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:36:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:36:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:48,155 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:48,159 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:50,210 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:52,169 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:52,169 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-23 20:36:52,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:52 BoogieIcfgContainer [2023-11-23 20:36:52,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:52,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:52,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:52,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:52,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:45" (1/3) ... [2023-11-23 20:36:52,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367b3b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:52, skipping insertion in model container [2023-11-23 20:36:52,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:47" (2/3) ... [2023-11-23 20:36:52,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367b3b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:52, skipping insertion in model container [2023-11-23 20:36:52,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:52" (3/3) ... [2023-11-23 20:36:52,188 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test3-2.i [2023-11-23 20:36:52,218 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:52,218 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:52,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:52,298 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;@46c97ec9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:52,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 129 states have (on average 1.7286821705426356) internal successors, (223), 131 states have internal predecessors, (223), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 20:36:52,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:36:52,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:52,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:52,371 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:52,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:52,386 INFO L85 PathProgramCache]: Analyzing trace with hash 2105579821, now seen corresponding path program 1 times [2023-11-23 20:36:52,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:52,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730533370] [2023-11-23 20:36:52,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:52,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:52,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:36:52,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:36:52,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730533370] [2023-11-23 20:36:52,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730533370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:52,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:52,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:36:52,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515449360] [2023-11-23 20:36:52,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:52,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:36:52,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:36:52,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:36:52,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:36:52,774 INFO L87 Difference]: Start difference. First operand has 138 states, 129 states have (on average 1.7286821705426356) internal successors, (223), 131 states have internal predecessors, (223), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-23 20:36:54,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:56,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:58,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:00,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:00,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:00,642 INFO L93 Difference]: Finished difference Result 226 states and 385 transitions. [2023-11-23 20:37:00,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:37:00,646 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 11 [2023-11-23 20:37:00,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:00,655 INFO L225 Difference]: With dead ends: 226 [2023-11-23 20:37:00,655 INFO L226 Difference]: Without dead ends: 67 [2023-11-23 20:37:00,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:37:00,662 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:00,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2023-11-23 20:37:00,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-23 20:37:00,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-23 20:37:00,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:37:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 79 transitions. [2023-11-23 20:37:00,706 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 79 transitions. Word has length 11 [2023-11-23 20:37:00,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:00,706 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 79 transitions. [2023-11-23 20:37:00,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-23 20:37:00,707 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2023-11-23 20:37:00,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:37:00,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:00,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:00,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:37:00,709 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:00,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:00,710 INFO L85 PathProgramCache]: Analyzing trace with hash 642863336, now seen corresponding path program 1 times [2023-11-23 20:37:00,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:00,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029246402] [2023-11-23 20:37:00,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:00,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:00,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:00,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029246402] [2023-11-23 20:37:00,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029246402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:00,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:00,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:37:00,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303118933] [2023-11-23 20:37:00,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:00,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:37:00,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:00,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:37:00,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:37:00,925 INFO L87 Difference]: Start difference. First operand 67 states and 79 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) [2023-11-23 20:37:02,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:04,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:05,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:07,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:09,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:09,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:09,588 INFO L93 Difference]: Finished difference Result 135 states and 156 transitions. [2023-11-23 20:37:09,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:37:09,588 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 [2023-11-23 20:37:09,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:09,590 INFO L225 Difference]: With dead ends: 135 [2023-11-23 20:37:09,590 INFO L226 Difference]: Without dead ends: 71 [2023-11-23 20:37:09,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:37:09,592 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 36 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:09,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 108 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2023-11-23 20:37:09,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-23 20:37:09,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 63. [2023-11-23 20:37:09,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 59 states have (on average 1.1016949152542372) internal successors, (65), 60 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:37:09,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2023-11-23 20:37:09,607 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 13 [2023-11-23 20:37:09,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:09,608 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2023-11-23 20:37:09,608 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) [2023-11-23 20:37:09,608 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-11-23 20:37:09,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:37:09,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:09,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:09,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:37:09,611 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:09,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:09,621 INFO L85 PathProgramCache]: Analyzing trace with hash 579900166, now seen corresponding path program 1 times [2023-11-23 20:37:09,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:09,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077559568] [2023-11-23 20:37:09,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:09,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:10,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:10,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077559568] [2023-11-23 20:37:10,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077559568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:10,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:10,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 20:37:10,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062479230] [2023-11-23 20:37:10,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:10,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:37:10,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:10,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:37:10,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:37:10,731 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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) [2023-11-23 20:37:10,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:10,797 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2023-11-23 20:37:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:37:10,797 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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 26 [2023-11-23 20:37:10,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:10,798 INFO L225 Difference]: With dead ends: 65 [2023-11-23 20:37:10,798 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 20:37:10,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:37:10,800 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:10,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:37:10,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 20:37:10,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 20:37:10,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 20:37:10,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-11-23 20:37:10,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:10,804 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 20:37:10,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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) [2023-11-23 20:37:10,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 20:37:10,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:37:10,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:37:10,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:37:10,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 20:37:10,922 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-23 20:37:10,923 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-23 20:37:10,923 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-23 20:37:10,923 INFO L899 garLoopResultBuilder]: For program point L761-34(line 761) no Hoare annotation was computed. [2023-11-23 20:37:10,923 INFO L902 garLoopResultBuilder]: At program point L761-35(line 761) the Hoare annotation is: true [2023-11-23 20:37:10,924 INFO L899 garLoopResultBuilder]: For program point L761-36(line 761) no Hoare annotation was computed. [2023-11-23 20:37:10,924 INFO L899 garLoopResultBuilder]: For program point L761-37(line 761) no Hoare annotation was computed. [2023-11-23 20:37:10,924 INFO L899 garLoopResultBuilder]: For program point L761-38(line 761) no Hoare annotation was computed. [2023-11-23 20:37:10,924 INFO L902 garLoopResultBuilder]: At program point L761-39(line 761) the Hoare annotation is: true [2023-11-23 20:37:10,924 INFO L899 garLoopResultBuilder]: For program point L761-40(line 761) no Hoare annotation was computed. [2023-11-23 20:37:10,925 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 732 765) no Hoare annotation was computed. [2023-11-23 20:37:10,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 20:37:10,925 INFO L899 garLoopResultBuilder]: For program point L737(line 737) no Hoare annotation was computed. [2023-11-23 20:37:10,925 INFO L899 garLoopResultBuilder]: For program point L738-1(lines 738 746) no Hoare annotation was computed. [2023-11-23 20:37:10,925 INFO L899 garLoopResultBuilder]: For program point L738-3(lines 738 746) no Hoare annotation was computed. [2023-11-23 20:37:10,926 INFO L895 garLoopResultBuilder]: At program point L738-4(lines 738 746) 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)) [2023-11-23 20:37:10,926 INFO L899 garLoopResultBuilder]: For program point L738-5(lines 738 746) no Hoare annotation was computed. [2023-11-23 20:37:10,926 INFO L899 garLoopResultBuilder]: For program point L747-1(lines 747 755) no Hoare annotation was computed. [2023-11-23 20:37:10,927 INFO L895 garLoopResultBuilder]: At program point L747-3(lines 747 755) 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) (<= 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296)))) [2023-11-23 20:37:10,927 INFO L899 garLoopResultBuilder]: For program point L747-4(lines 747 755) no Hoare annotation was computed. [2023-11-23 20:37:10,927 INFO L899 garLoopResultBuilder]: For program point L745-68(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,927 INFO L902 garLoopResultBuilder]: At program point L745-69(line 745) the Hoare annotation is: true [2023-11-23 20:37:10,928 INFO L899 garLoopResultBuilder]: For program point L745-70(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,928 INFO L902 garLoopResultBuilder]: At program point L745-71(line 745) the Hoare annotation is: true [2023-11-23 20:37:10,928 INFO L899 garLoopResultBuilder]: For program point L750-3(line 750) no Hoare annotation was computed. [2023-11-23 20:37:10,928 INFO L899 garLoopResultBuilder]: For program point L748-68(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,928 INFO L895 garLoopResultBuilder]: At program point L748-69(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,929 INFO L899 garLoopResultBuilder]: For program point L748-70(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,929 INFO L899 garLoopResultBuilder]: For program point L750-8(line 750) no Hoare annotation was computed. [2023-11-23 20:37:10,929 INFO L895 garLoopResultBuilder]: At program point L748-71(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,929 INFO L899 garLoopResultBuilder]: For program point L750-11(line 750) no Hoare annotation was computed. [2023-11-23 20:37:10,929 INFO L895 garLoopResultBuilder]: At program point L750-12(line 750) the Hoare annotation is: false [2023-11-23 20:37:10,930 INFO L899 garLoopResultBuilder]: For program point L750-13(line 750) no Hoare annotation was computed. [2023-11-23 20:37:10,930 INFO L899 garLoopResultBuilder]: For program point L745-170(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,930 INFO L902 garLoopResultBuilder]: At program point L745-171(line 745) the Hoare annotation is: true [2023-11-23 20:37:10,930 INFO L899 garLoopResultBuilder]: For program point L745-172(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,930 INFO L899 garLoopResultBuilder]: For program point L745-173(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,931 INFO L902 garLoopResultBuilder]: At program point L745-174(line 745) the Hoare annotation is: true [2023-11-23 20:37:10,931 INFO L899 garLoopResultBuilder]: For program point L745-175(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,931 INFO L902 garLoopResultBuilder]: At program point L745-176(line 745) the Hoare annotation is: true [2023-11-23 20:37:10,931 INFO L899 garLoopResultBuilder]: For program point L750-22(line 750) no Hoare annotation was computed. [2023-11-23 20:37:10,931 INFO L899 garLoopResultBuilder]: For program point L745-178(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,932 INFO L895 garLoopResultBuilder]: At program point L750-23(line 750) the Hoare annotation is: false [2023-11-23 20:37:10,932 INFO L899 garLoopResultBuilder]: For program point L745-180(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,932 INFO L895 garLoopResultBuilder]: At program point L745-182(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,932 INFO L899 garLoopResultBuilder]: For program point L745-183(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,932 INFO L899 garLoopResultBuilder]: For program point L745-184(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,933 INFO L895 garLoopResultBuilder]: At program point L745-186(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,933 INFO L899 garLoopResultBuilder]: For program point L745-187(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,933 INFO L899 garLoopResultBuilder]: For program point L745-188(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,933 INFO L895 garLoopResultBuilder]: At program point L745-189(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,934 INFO L899 garLoopResultBuilder]: For program point L750-34(line 750) no Hoare annotation was computed. [2023-11-23 20:37:10,934 INFO L899 garLoopResultBuilder]: For program point L745-190(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,934 INFO L895 garLoopResultBuilder]: At program point L750-35(line 750) the Hoare annotation is: false [2023-11-23 20:37:10,934 INFO L899 garLoopResultBuilder]: For program point L750-36(line 750) no Hoare annotation was computed. [2023-11-23 20:37:10,934 INFO L899 garLoopResultBuilder]: For program point L750-37(line 750) no Hoare annotation was computed. [2023-11-23 20:37:10,934 INFO L899 garLoopResultBuilder]: For program point L745-193(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,935 INFO L899 garLoopResultBuilder]: For program point L750-38(line 750) no Hoare annotation was computed. [2023-11-23 20:37:10,935 INFO L895 garLoopResultBuilder]: At program point L745-194(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,935 INFO L895 garLoopResultBuilder]: At program point L750-39(line 750) the Hoare annotation is: false [2023-11-23 20:37:10,935 INFO L899 garLoopResultBuilder]: For program point L750-40(line 750) no Hoare annotation was computed. [2023-11-23 20:37:10,935 INFO L899 garLoopResultBuilder]: For program point L745-202(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,936 INFO L895 garLoopResultBuilder]: At program point L745-203(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,936 INFO L899 garLoopResultBuilder]: For program point L745-210(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,936 INFO L899 garLoopResultBuilder]: For program point L745-212(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,936 INFO L895 garLoopResultBuilder]: At program point L745-214(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,936 INFO L899 garLoopResultBuilder]: For program point L745-215(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,936 INFO L899 garLoopResultBuilder]: For program point L745-225(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,937 INFO L899 garLoopResultBuilder]: For program point L745-235(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,937 INFO L895 garLoopResultBuilder]: At program point L745-236(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,937 INFO L899 garLoopResultBuilder]: For program point L745-237(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,937 INFO L895 garLoopResultBuilder]: At program point L745-246(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,937 INFO L895 garLoopResultBuilder]: At program point L745-248(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,938 INFO L895 garLoopResultBuilder]: At program point L753(line 753) the Hoare annotation is: false [2023-11-23 20:37:10,938 INFO L899 garLoopResultBuilder]: For program point L745-249(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,938 INFO L899 garLoopResultBuilder]: For program point L753-1(lines 747 755) no Hoare annotation was computed. [2023-11-23 20:37:10,938 INFO L899 garLoopResultBuilder]: For program point L745-255(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,938 INFO L899 garLoopResultBuilder]: For program point L745-256(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,939 INFO L895 garLoopResultBuilder]: At program point L745-257(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,939 INFO L899 garLoopResultBuilder]: For program point L745-259(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,939 INFO L899 garLoopResultBuilder]: For program point L745-260(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,939 INFO L895 garLoopResultBuilder]: At program point L745-261(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,939 INFO L899 garLoopResultBuilder]: For program point L745-262(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,940 INFO L899 garLoopResultBuilder]: For program point L745-263(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,940 INFO L899 garLoopResultBuilder]: For program point L748-170(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,940 INFO L895 garLoopResultBuilder]: At program point L745-264(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,940 INFO L895 garLoopResultBuilder]: At program point L748-171(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,940 INFO L899 garLoopResultBuilder]: For program point L745-265(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,941 INFO L899 garLoopResultBuilder]: For program point L748-172(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,941 INFO L895 garLoopResultBuilder]: At program point L745-266(line 745) the Hoare annotation is: false [2023-11-23 20:37:10,941 INFO L899 garLoopResultBuilder]: For program point L748-173(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,941 INFO L899 garLoopResultBuilder]: For program point L745-267(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,941 INFO L895 garLoopResultBuilder]: At program point L748-174(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,942 INFO L899 garLoopResultBuilder]: For program point L745-268(line 745) no Hoare annotation was computed. [2023-11-23 20:37:10,942 INFO L899 garLoopResultBuilder]: For program point L748-175(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,942 INFO L902 garLoopResultBuilder]: At program point L745-269(line 745) the Hoare annotation is: true [2023-11-23 20:37:10,942 INFO L895 garLoopResultBuilder]: At program point L748-176(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,942 INFO L899 garLoopResultBuilder]: For program point L748-178(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,943 INFO L899 garLoopResultBuilder]: For program point L748-185(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,943 INFO L895 garLoopResultBuilder]: At program point L748-186(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,943 INFO L899 garLoopResultBuilder]: For program point L748-187(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,943 INFO L899 garLoopResultBuilder]: For program point L748-188(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,943 INFO L899 garLoopResultBuilder]: For program point L748-190(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,944 INFO L895 garLoopResultBuilder]: At program point L748-191(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,944 INFO L899 garLoopResultBuilder]: For program point L748-197(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,944 INFO L899 garLoopResultBuilder]: For program point L748-198(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,944 INFO L899 garLoopResultBuilder]: For program point L748-201(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,944 INFO L899 garLoopResultBuilder]: For program point L748-202(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,945 INFO L899 garLoopResultBuilder]: For program point L748-204(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,945 INFO L895 garLoopResultBuilder]: At program point L748-205(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,945 INFO L895 garLoopResultBuilder]: At program point L748-207(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,945 INFO L899 garLoopResultBuilder]: For program point L748-208(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,945 INFO L895 garLoopResultBuilder]: At program point L748-209(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,946 INFO L899 garLoopResultBuilder]: For program point L748-211(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,946 INFO L899 garLoopResultBuilder]: For program point L748-213(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,946 INFO L895 garLoopResultBuilder]: At program point L748-214(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,946 INFO L899 garLoopResultBuilder]: For program point L748-215(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,946 INFO L899 garLoopResultBuilder]: For program point L748-216(line 748) no Hoare annotation was computed. [2023-11-23 20:37:10,947 INFO L895 garLoopResultBuilder]: At program point L748-217(line 748) the Hoare annotation is: false [2023-11-23 20:37:10,947 INFO L899 garLoopResultBuilder]: For program point L748-218(lines 747 755) no Hoare annotation was computed. [2023-11-23 20:37:10,947 INFO L895 garLoopResultBuilder]: At program point L756-3(lines 756 758) the Hoare annotation is: (and (= |ULTIMATE.start_main_~user~0#1.base| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~user~0#1.offset| 0)) [2023-11-23 20:37:10,947 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 20:37:10,947 INFO L895 garLoopResultBuilder]: At program point L757(line 757) the Hoare annotation is: false [2023-11-23 20:37:10,948 INFO L899 garLoopResultBuilder]: For program point L757-1(line 757) no Hoare annotation was computed. [2023-11-23 20:37:10,948 INFO L902 garLoopResultBuilder]: At program point L760-9(lines 760 763) the Hoare annotation is: true [2023-11-23 20:37:10,948 INFO L899 garLoopResultBuilder]: For program point L761-3(line 761) no Hoare annotation was computed. [2023-11-23 20:37:10,948 INFO L899 garLoopResultBuilder]: For program point L761-8(line 761) no Hoare annotation was computed. [2023-11-23 20:37:10,948 INFO L899 garLoopResultBuilder]: For program point L761-11(line 761) no Hoare annotation was computed. [2023-11-23 20:37:10,949 INFO L902 garLoopResultBuilder]: At program point L761-12(line 761) the Hoare annotation is: true [2023-11-23 20:37:10,949 INFO L899 garLoopResultBuilder]: For program point L761-13(line 761) no Hoare annotation was computed. [2023-11-23 20:37:10,949 INFO L899 garLoopResultBuilder]: For program point L761-22(line 761) no Hoare annotation was computed. [2023-11-23 20:37:10,949 INFO L902 garLoopResultBuilder]: At program point L761-23(line 761) the Hoare annotation is: true [2023-11-23 20:37:10,949 INFO L899 garLoopResultBuilder]: For program point L723-2(lines 722 726) no Hoare annotation was computed. [2023-11-23 20:37:10,949 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 722 726) no Hoare annotation was computed. [2023-11-23 20:37:10,950 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 722 726) the Hoare annotation is: true [2023-11-23 20:37:10,950 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-23 20:37:10,950 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 725) no Hoare annotation was computed. [2023-11-23 20:37:10,950 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 724) no Hoare annotation was computed. [2023-11-23 20:37:10,954 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 20:37:10,957 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:37:10,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 20:37:10,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 20:37:10,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:37:10 BoogieIcfgContainer [2023-11-23 20:37:10,977 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:37:10,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:37:10,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:37:10,979 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:37:10,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:52" (3/4) ... [2023-11-23 20:37:10,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:37:10,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 20:37:10,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:37:11,016 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 254 nodes and edges [2023-11-23 20:37:11,018 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-23 20:37:11,021 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:37:11,024 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:37:11,217 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:37:11,217 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:37:11,217 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:37:11,218 INFO L158 Benchmark]: Toolchain (without parser) took 25221.26ms. Allocated memory was 134.2MB in the beginning and 255.9MB in the end (delta: 121.6MB). Free memory was 85.9MB in the beginning and 92.7MB in the end (delta: -6.9MB). Peak memory consumption was 116.3MB. Max. memory is 16.1GB. [2023-11-23 20:37:11,219 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory was 102.8MB in the beginning and 102.7MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:11,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1262.80ms. Allocated memory is still 134.2MB. Free memory was 85.9MB in the beginning and 50.9MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-23 20:37:11,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 253.00ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 50.9MB in the beginning and 149.1MB in the end (delta: -98.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-23 20:37:11,220 INFO L158 Benchmark]: Boogie Preprocessor took 252.48ms. Allocated memory is still 184.5MB. Free memory was 149.1MB in the beginning and 139.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:37:11,220 INFO L158 Benchmark]: RCFGBuilder took 4402.73ms. Allocated memory was 184.5MB in the beginning and 255.9MB in the end (delta: 71.3MB). Free memory was 139.6MB in the beginning and 99.4MB in the end (delta: 40.2MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2023-11-23 20:37:11,221 INFO L158 Benchmark]: TraceAbstraction took 18799.96ms. Allocated memory is still 255.9MB. Free memory was 99.4MB in the beginning and 110.6MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:11,221 INFO L158 Benchmark]: Witness Printer took 239.49ms. Allocated memory is still 255.9MB. Free memory was 110.6MB in the beginning and 92.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:37:11,223 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 134.2MB. Free memory was 102.8MB in the beginning and 102.7MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1262.80ms. Allocated memory is still 134.2MB. Free memory was 85.9MB in the beginning and 50.9MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 253.00ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 50.9MB in the beginning and 149.1MB in the end (delta: -98.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 252.48ms. Allocated memory is still 184.5MB. Free memory was 149.1MB in the beginning and 139.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4402.73ms. Allocated memory was 184.5MB in the beginning and 255.9MB in the end (delta: 71.3MB). Free memory was 139.6MB in the beginning and 99.4MB in the end (delta: 40.2MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. * TraceAbstraction took 18799.96ms. Allocated memory is still 255.9MB. Free memory was 99.4MB in the beginning and 110.6MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 239.49ms. Allocated memory is still 255.9MB. Free memory was 110.6MB in the beginning and 92.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 724]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 16.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 16.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 125 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 57 PreInvPairs, 71 NumberOfFragments, 97 HoareAnnotationTreeSize, 57 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (0 <= (((-1 * bound) / 4294967296) + (bound / 4294967296))) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: 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: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: 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: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-23 20:37:11,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9fbcc9-fad0-48e3-83c2-0a6e421e94b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE