./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/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_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/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_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/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 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:32,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:32,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:12:32,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:32,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:32,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:32,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:32,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:32,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:32,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:32,852 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:32,852 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:32,853 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:32,855 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:32,855 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:32,856 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:32,856 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:32,856 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:32,857 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:32,857 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:32,858 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:32,858 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:32,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:32,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:32,860 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:12:32,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:32,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:12:32,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:32,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:32,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:32,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:32,864 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:12:32,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:32,865 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:32,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:32,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:32,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:32,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:32,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:32,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:32,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:32,867 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:32,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:32,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:32,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:32,868 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:32,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:32,868 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_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 [2023-11-23 21:12:33,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:33,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:33,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:33,176 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:33,176 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:33,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2023-11-23 21:12:36,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:36,771 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:36,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2023-11-23 21:12:36,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/data/786f087da/3902c0f5e6f740a5be547e3782eccb16/FLAGa3d962ba9 [2023-11-23 21:12:36,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/data/786f087da/3902c0f5e6f740a5be547e3782eccb16 [2023-11-23 21:12:36,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:36,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:36,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:36,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:36,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:36,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:36" (1/1) ... [2023-11-23 21:12:36,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5341d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:36, skipping insertion in model container [2023-11-23 21:12:36,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:36" (1/1) ... [2023-11-23 21:12:36,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:37,515 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_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[37019,37032] [2023-11-23 21:12:37,638 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_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[47352,47365] [2023-11-23 21:12:37,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:37,670 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:37,723 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_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[37019,37032] [2023-11-23 21:12:37,791 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_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[47352,47365] [2023-11-23 21:12:37,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:37,914 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:37,923 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:37,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37 WrapperNode [2023-11-23 21:12:37,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:37,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:37,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:37,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:37,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:37,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,070 INFO L138 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1372 [2023-11-23 21:12:38,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:38,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:38,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:38,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:38,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:38,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:38,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:38,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:38,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (1/1) ... [2023-11-23 21:12:38,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:38,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:38,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:38,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:12:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:12:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:12:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:12:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:12:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:12:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:12:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:12:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:38,628 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:38,631 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:40,145 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:41,764 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:41,764 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-23 21:12:41,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:41 BoogieIcfgContainer [2023-11-23 21:12:41,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:41,771 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:41,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:41,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:41,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:36" (1/3) ... [2023-11-23 21:12:41,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30565bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:41, skipping insertion in model container [2023-11-23 21:12:41,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:37" (2/3) ... [2023-11-23 21:12:41,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30565bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:41, skipping insertion in model container [2023-11-23 21:12:41,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:41" (3/3) ... [2023-11-23 21:12:41,778 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-2.i [2023-11-23 21:12:41,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:41,798 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:12:41,858 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:41,865 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;@145c5aa3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:41,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:12:41,870 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) [2023-11-23 21:12:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:12:41,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:41,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:41,879 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:41,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:41,885 INFO L85 PathProgramCache]: Analyzing trace with hash 773947228, now seen corresponding path program 1 times [2023-11-23 21:12:41,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:41,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655455155] [2023-11-23 21:12:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:41,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:12:42,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:42,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655455155] [2023-11-23 21:12:42,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655455155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:42,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:42,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:12:42,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411078138] [2023-11-23 21:12:42,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:42,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:12:42,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:42,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:12:42,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:12:42,157 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) [2023-11-23 21:12:44,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:46,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:48,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:49,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:49,255 INFO L93 Difference]: Finished difference Result 261 states and 448 transitions. [2023-11-23 21:12:49,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:12:49,261 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 [2023-11-23 21:12:49,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:49,272 INFO L225 Difference]: With dead ends: 261 [2023-11-23 21:12:49,272 INFO L226 Difference]: Without dead ends: 114 [2023-11-23 21:12:49,276 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 21:12:49,280 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:49,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2023-11-23 21:12:49,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-23 21:12:49,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-11-23 21:12:49,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 102 states have (on average 1.2058823529411764) internal successors, (123), 108 states have internal predecessors, (123), 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) [2023-11-23 21:12:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2023-11-23 21:12:49,339 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 8 [2023-11-23 21:12:49,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:49,340 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2023-11-23 21:12:49,340 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) [2023-11-23 21:12:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2023-11-23 21:12:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 21:12:49,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:49,343 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] [2023-11-23 21:12:49,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:12:49,344 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:49,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:49,345 INFO L85 PathProgramCache]: Analyzing trace with hash 538167708, now seen corresponding path program 1 times [2023-11-23 21:12:49,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:49,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228194931] [2023-11-23 21:12:49,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:49,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:49,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:12:49,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:49,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228194931] [2023-11-23 21:12:49,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228194931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:49,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:49,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:49,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501327522] [2023-11-23 21:12:49,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:49,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:12:49,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:49,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:12:49,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:12:49,834 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:12:51,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:53,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:55,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:57,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:00,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:03,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:06,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:08,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:09,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:13:10,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:13:12,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:13:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:12,026 INFO L93 Difference]: Finished difference Result 290 states and 359 transitions. [2023-11-23 21:13:12,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:13:12,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2023-11-23 21:13:12,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:12,035 INFO L225 Difference]: With dead ends: 290 [2023-11-23 21:13:12,036 INFO L226 Difference]: Without dead ends: 176 [2023-11-23 21:13:12,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:13:12,039 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 70 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:12,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 307 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 7 Unknown, 0 Unchecked, 22.1s Time] [2023-11-23 21:13:12,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-23 21:13:12,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 120. [2023-11-23 21:13:12,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 108 states have (on average 1.1944444444444444) internal successors, (129), 114 states have internal predecessors, (129), 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) [2023-11-23 21:13:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 145 transitions. [2023-11-23 21:13:12,058 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 145 transitions. Word has length 22 [2023-11-23 21:13:12,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:12,059 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 145 transitions. [2023-11-23 21:13:12,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:13:12,059 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2023-11-23 21:13:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 21:13:12,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:12,062 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:12,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:13:12,062 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:12,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:12,063 INFO L85 PathProgramCache]: Analyzing trace with hash -2106843607, now seen corresponding path program 1 times [2023-11-23 21:13:12,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:12,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220171890] [2023-11-23 21:13:12,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:12,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:12,209 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:13:12,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1282312593] [2023-11-23 21:13:12,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:12,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:13:12,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:12,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:13:12,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:13:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:12,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:13:12,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:12,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:13:12,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:12,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:13:12,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220171890] [2023-11-23 21:13:12,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:13:12,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282312593] [2023-11-23 21:13:12,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282312593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:12,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:12,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:13:12,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117609438] [2023-11-23 21:13:12,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:12,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:13:12,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:13:12,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:13:12,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:12,773 INFO L87 Difference]: Start difference. First operand 120 states and 145 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:13:14,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:16,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:18,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:20,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:22,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:24,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:26,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:29,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:13:29,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:29,037 INFO L93 Difference]: Finished difference Result 191 states and 226 transitions. [2023-11-23 21:13:29,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:13:29,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 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 50 [2023-11-23 21:13:29,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:29,050 INFO L225 Difference]: With dead ends: 191 [2023-11-23 21:13:29,050 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:13:29,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:29,053 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 11 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:29,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 107 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 6 Unknown, 0 Unchecked, 16.2s Time] [2023-11-23 21:13:29,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:13:29,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:13:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:13:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:13:29,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2023-11-23 21:13:29,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:29,062 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:13:29,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:13:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:13:29,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:13:29,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-23 21:13:29,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-23 21:13:29,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:13:29,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:13:29,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:13:29,352 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:13:29,363 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-23 21:13:29,363 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-23 21:13:29,363 INFO L899 garLoopResultBuilder]: For program point L821-212(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,363 INFO L902 garLoopResultBuilder]: At program point L821-214(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,364 INFO L899 garLoopResultBuilder]: For program point L821-215(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,364 INFO L899 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2023-11-23 21:13:29,364 INFO L899 garLoopResultBuilder]: For program point L821-225(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,364 INFO L899 garLoopResultBuilder]: For program point L821-235(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,364 INFO L902 garLoopResultBuilder]: At program point L821-236(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,365 INFO L899 garLoopResultBuilder]: For program point L821-237(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,365 INFO L902 garLoopResultBuilder]: At program point L821-246(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,365 INFO L902 garLoopResultBuilder]: At program point L821-248(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,365 INFO L899 garLoopResultBuilder]: For program point L821-249(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,365 INFO L899 garLoopResultBuilder]: For program point L821-255(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,366 INFO L899 garLoopResultBuilder]: For program point L821-256(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,366 INFO L902 garLoopResultBuilder]: At program point L821-257(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,366 INFO L899 garLoopResultBuilder]: For program point L821-259(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,366 INFO L899 garLoopResultBuilder]: For program point L821-260(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,366 INFO L902 garLoopResultBuilder]: At program point L821-261(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,367 INFO L899 garLoopResultBuilder]: For program point L821-262(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,367 INFO L899 garLoopResultBuilder]: For program point L821-263(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,367 INFO L899 garLoopResultBuilder]: For program point L824-170(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,367 INFO L902 garLoopResultBuilder]: At program point L821-264(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,367 INFO L902 garLoopResultBuilder]: At program point L824-171(line 824) the Hoare annotation is: true [2023-11-23 21:13:29,368 INFO L899 garLoopResultBuilder]: For program point L821-265(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,368 INFO L899 garLoopResultBuilder]: For program point L824-172(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,368 INFO L902 garLoopResultBuilder]: At program point L821-266(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,368 INFO L899 garLoopResultBuilder]: For program point L824-173(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,368 INFO L899 garLoopResultBuilder]: For program point L821-267(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,368 INFO L902 garLoopResultBuilder]: At program point L824-174(line 824) the Hoare annotation is: true [2023-11-23 21:13:29,369 INFO L899 garLoopResultBuilder]: For program point L821-268(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,369 INFO L899 garLoopResultBuilder]: For program point L824-175(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,369 INFO L902 garLoopResultBuilder]: At program point L821-269(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,369 INFO L902 garLoopResultBuilder]: At program point L824-176(line 824) the Hoare annotation is: true [2023-11-23 21:13:29,369 INFO L899 garLoopResultBuilder]: For program point L824-178(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,370 INFO L899 garLoopResultBuilder]: For program point L824-185(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,370 INFO L895 garLoopResultBuilder]: At program point L824-186(line 824) the Hoare annotation is: false [2023-11-23 21:13:29,370 INFO L899 garLoopResultBuilder]: For program point L824-187(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,370 INFO L899 garLoopResultBuilder]: For program point L824-188(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,370 INFO L899 garLoopResultBuilder]: For program point L824-190(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,371 INFO L895 garLoopResultBuilder]: At program point L824-191(line 824) the Hoare annotation is: false [2023-11-23 21:13:29,371 INFO L899 garLoopResultBuilder]: For program point L824-197(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,371 INFO L899 garLoopResultBuilder]: For program point L824-198(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,371 INFO L899 garLoopResultBuilder]: For program point L824-201(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,371 INFO L899 garLoopResultBuilder]: For program point L824-202(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,371 INFO L899 garLoopResultBuilder]: For program point L824-204(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,372 INFO L895 garLoopResultBuilder]: At program point L824-205(line 824) the Hoare annotation is: false [2023-11-23 21:13:29,372 INFO L895 garLoopResultBuilder]: At program point L824-207(line 824) the Hoare annotation is: false [2023-11-23 21:13:29,372 INFO L899 garLoopResultBuilder]: For program point L824-208(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,372 INFO L895 garLoopResultBuilder]: At program point L824-209(line 824) the Hoare annotation is: false [2023-11-23 21:13:29,372 INFO L899 garLoopResultBuilder]: For program point L824-211(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,373 INFO L899 garLoopResultBuilder]: For program point L824-213(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,373 INFO L895 garLoopResultBuilder]: At program point L824-214(line 824) the Hoare annotation is: false [2023-11-23 21:13:29,373 INFO L899 garLoopResultBuilder]: For program point L824-215(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,373 INFO L899 garLoopResultBuilder]: For program point L824-216(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,373 INFO L902 garLoopResultBuilder]: At program point L824-217(line 824) the Hoare annotation is: true [2023-11-23 21:13:29,374 INFO L899 garLoopResultBuilder]: For program point L824-218(lines 823 830) no Hoare annotation was computed. [2023-11-23 21:13:29,374 INFO L902 garLoopResultBuilder]: At program point L832-9(lines 832 835) the Hoare annotation is: true [2023-11-23 21:13:29,374 INFO L899 garLoopResultBuilder]: For program point L833-3(line 833) no Hoare annotation was computed. [2023-11-23 21:13:29,374 INFO L899 garLoopResultBuilder]: For program point L833-8(line 833) no Hoare annotation was computed. [2023-11-23 21:13:29,374 INFO L899 garLoopResultBuilder]: For program point L833-11(line 833) no Hoare annotation was computed. [2023-11-23 21:13:29,375 INFO L902 garLoopResultBuilder]: At program point L833-12(line 833) the Hoare annotation is: true [2023-11-23 21:13:29,378 INFO L899 garLoopResultBuilder]: For program point L833-13(line 833) no Hoare annotation was computed. [2023-11-23 21:13:29,378 INFO L899 garLoopResultBuilder]: For program point L833-22(line 833) no Hoare annotation was computed. [2023-11-23 21:13:29,378 INFO L902 garLoopResultBuilder]: At program point L833-23(line 833) the Hoare annotation is: true [2023-11-23 21:13:29,379 INFO L899 garLoopResultBuilder]: For program point L833-34(line 833) no Hoare annotation was computed. [2023-11-23 21:13:29,379 INFO L902 garLoopResultBuilder]: At program point L833-35(line 833) the Hoare annotation is: true [2023-11-23 21:13:29,379 INFO L899 garLoopResultBuilder]: For program point L833-36(line 833) no Hoare annotation was computed. [2023-11-23 21:13:29,379 INFO L899 garLoopResultBuilder]: For program point L833-37(line 833) no Hoare annotation was computed. [2023-11-23 21:13:29,382 INFO L899 garLoopResultBuilder]: For program point L833-38(line 833) no Hoare annotation was computed. [2023-11-23 21:13:29,382 INFO L902 garLoopResultBuilder]: At program point L833-39(line 833) the Hoare annotation is: true [2023-11-23 21:13:29,382 INFO L899 garLoopResultBuilder]: For program point L833-40(line 833) no Hoare annotation was computed. [2023-11-23 21:13:29,382 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:13:29,382 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 803) no Hoare annotation was computed. [2023-11-23 21:13:29,382 INFO L899 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2023-11-23 21:13:29,383 INFO L895 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: false [2023-11-23 21:13:29,383 INFO L899 garLoopResultBuilder]: For program point L791(line 791) no Hoare annotation was computed. [2023-11-23 21:13:29,383 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: false [2023-11-23 21:13:29,383 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 828) no Hoare annotation was computed. [2023-11-23 21:13:29,383 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2023-11-23 21:13:29,383 INFO L895 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: false [2023-11-23 21:13:29,383 INFO L899 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2023-11-23 21:13:29,384 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: false [2023-11-23 21:13:29,384 INFO L899 garLoopResultBuilder]: For program point L800(line 800) no Hoare annotation was computed. [2023-11-23 21:13:29,384 INFO L895 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: false [2023-11-23 21:13:29,384 INFO L899 garLoopResultBuilder]: For program point L814-1(lines 814 822) no Hoare annotation was computed. [2023-11-23 21:13:29,384 INFO L899 garLoopResultBuilder]: For program point L814-3(lines 814 822) no Hoare annotation was computed. [2023-11-23 21:13:29,384 INFO L902 garLoopResultBuilder]: At program point L814-4(lines 814 822) the Hoare annotation is: true [2023-11-23 21:13:29,384 INFO L899 garLoopResultBuilder]: For program point L814-5(lines 814 822) no Hoare annotation was computed. [2023-11-23 21:13:29,384 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:13:29,385 INFO L899 garLoopResultBuilder]: For program point L823-1(lines 823 830) no Hoare annotation was computed. [2023-11-23 21:13:29,385 INFO L899 garLoopResultBuilder]: For program point L823-3(lines 823 830) no Hoare annotation was computed. [2023-11-23 21:13:29,385 INFO L902 garLoopResultBuilder]: At program point L823-4(lines 823 830) the Hoare annotation is: true [2023-11-23 21:13:29,385 INFO L899 garLoopResultBuilder]: For program point L823-5(lines 823 830) no Hoare annotation was computed. [2023-11-23 21:13:29,385 INFO L899 garLoopResultBuilder]: For program point L821-68(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,385 INFO L902 garLoopResultBuilder]: At program point L821-69(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,385 INFO L899 garLoopResultBuilder]: For program point L821-70(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,386 INFO L902 garLoopResultBuilder]: At program point L821-71(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,386 INFO L899 garLoopResultBuilder]: For program point L824-68(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,386 INFO L902 garLoopResultBuilder]: At program point L824-69(line 824) the Hoare annotation is: true [2023-11-23 21:13:29,386 INFO L899 garLoopResultBuilder]: For program point L824-70(line 824) no Hoare annotation was computed. [2023-11-23 21:13:29,386 INFO L902 garLoopResultBuilder]: At program point L824-71(line 824) the Hoare annotation is: true [2023-11-23 21:13:29,386 INFO L899 garLoopResultBuilder]: For program point L821-170(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,386 INFO L902 garLoopResultBuilder]: At program point L821-171(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,386 INFO L899 garLoopResultBuilder]: For program point L821-172(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,387 INFO L899 garLoopResultBuilder]: For program point L821-173(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,387 INFO L902 garLoopResultBuilder]: At program point L821-174(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,387 INFO L899 garLoopResultBuilder]: For program point L821-175(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,387 INFO L902 garLoopResultBuilder]: At program point L821-176(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,387 INFO L899 garLoopResultBuilder]: For program point L821-178(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,387 INFO L899 garLoopResultBuilder]: For program point L821-180(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,388 INFO L895 garLoopResultBuilder]: At program point L821-182(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:13:29,388 INFO L899 garLoopResultBuilder]: For program point L821-183(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,388 INFO L899 garLoopResultBuilder]: For program point L821-184(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,388 INFO L895 garLoopResultBuilder]: At program point L821-186(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:13:29,388 INFO L899 garLoopResultBuilder]: For program point L821-187(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,388 INFO L899 garLoopResultBuilder]: For program point L821-188(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,389 INFO L895 garLoopResultBuilder]: At program point L821-189(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:13:29,389 INFO L899 garLoopResultBuilder]: For program point L821-190(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,389 INFO L899 garLoopResultBuilder]: For program point L821-193(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,389 INFO L902 garLoopResultBuilder]: At program point L821-194(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,389 INFO L899 garLoopResultBuilder]: For program point L821-202(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,389 INFO L902 garLoopResultBuilder]: At program point L821-203(line 821) the Hoare annotation is: true [2023-11-23 21:13:29,389 INFO L899 garLoopResultBuilder]: For program point L821-210(line 821) no Hoare annotation was computed. [2023-11-23 21:13:29,389 INFO L899 garLoopResultBuilder]: For program point L782(line 782) no Hoare annotation was computed. [2023-11-23 21:13:29,390 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 783) no Hoare annotation was computed. [2023-11-23 21:13:29,390 INFO L899 garLoopResultBuilder]: For program point L781-2(lines 780 784) no Hoare annotation was computed. [2023-11-23 21:13:29,390 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 780 784) no Hoare annotation was computed. [2023-11-23 21:13:29,390 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 780 784) the Hoare annotation is: true [2023-11-23 21:13:29,390 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2023-11-23 21:13:29,398 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 21:13:29,400 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:13:29,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:13:29 BoogieIcfgContainer [2023-11-23 21:13:29,419 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:13:29,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:13:29,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:13:29,421 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:13:29,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:41" (3/4) ... [2023-11-23 21:13:29,425 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:13:29,429 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 21:13:29,429 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 21:13:29,469 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 243 nodes and edges [2023-11-23 21:13:29,472 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-23 21:13:29,474 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-23 21:13:29,477 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:13:29,699 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:13:29,700 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:13:29,700 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:13:29,701 INFO L158 Benchmark]: Toolchain (without parser) took 52864.45ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 94.6MB in the beginning and 59.8MB in the end (delta: 34.8MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2023-11-23 21:13:29,701 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:29,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1084.38ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 94.4MB in the beginning and 145.3MB in the end (delta: -50.9MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-11-23 21:13:29,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.30ms. Allocated memory is still 182.5MB. Free memory was 145.3MB in the beginning and 136.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:13:29,702 INFO L158 Benchmark]: Boogie Preprocessor took 176.52ms. Allocated memory is still 182.5MB. Free memory was 136.5MB in the beginning and 127.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:13:29,703 INFO L158 Benchmark]: RCFGBuilder took 3518.09ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 127.3MB in the beginning and 98.4MB in the end (delta: 28.9MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2023-11-23 21:13:29,703 INFO L158 Benchmark]: TraceAbstraction took 47648.23ms. Allocated memory is still 226.5MB. Free memory was 98.4MB in the beginning and 76.6MB in the end (delta: 21.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-11-23 21:13:29,704 INFO L158 Benchmark]: Witness Printer took 279.84ms. Allocated memory is still 226.5MB. Free memory was 76.6MB in the beginning and 59.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:13:29,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1084.38ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 94.4MB in the beginning and 145.3MB in the end (delta: -50.9MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.30ms. Allocated memory is still 182.5MB. Free memory was 145.3MB in the beginning and 136.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.52ms. Allocated memory is still 182.5MB. Free memory was 136.5MB in the beginning and 127.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3518.09ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 127.3MB in the beginning and 98.4MB in the end (delta: 28.9MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. * TraceAbstraction took 47648.23ms. Allocated memory is still 226.5MB. Free memory was 98.4MB in the beginning and 76.6MB in the end (delta: 21.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 279.84ms. Allocated memory is still 226.5MB. Free memory was 76.6MB in the beginning and 59.8MB 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.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: 828]: 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: 782]: 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: 47.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 45.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 45.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 545 SdHoareTripleChecker+Invalid, 45.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 244 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 301 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 56 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 82 PreInvPairs, 122 NumberOfFragments, 64 HoareAnnotationTreeSize, 82 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 163 SizeOfPredicates, 0 NumberOfNonLiveVariables, 401 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-23 21:13:29,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50a1a4a-7de1-439c-b3ca-fbcbead9390f/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