./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:02:09,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:02:09,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:02:09,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:02:09,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:02:09,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:02:09,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:02:09,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:02:09,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:02:09,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:02:09,892 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:02:09,893 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:02:09,893 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:02:09,895 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:02:09,895 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:02:09,896 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:02:09,896 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:02:09,896 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:02:09,897 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:02:09,897 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:02:09,898 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:02:09,898 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:02:09,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:02:09,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:02:09,900 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:02:09,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:02:09,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:02:09,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:02:09,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:02:09,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:02:09,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:02:09,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:02:09,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:02:09,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:02:09,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:02:09,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:02:09,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:09,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:02:09,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:02:09,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:02:09,905 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:02:09,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:02:09,906 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:02:09,906 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:02:09,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:02:09,907 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_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2023-11-19 05:02:10,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:02:10,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:02:10,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:02:10,219 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:02:10,219 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:02:10,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2023-11-19 05:02:13,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:02:13,668 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:02:13,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2023-11-19 05:02:13,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/data/99991086c/7b8e28b48caf40048a58ad449bf58622/FLAGca8d4f680 [2023-11-19 05:02:13,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/data/99991086c/7b8e28b48caf40048a58ad449bf58622 [2023-11-19 05:02:13,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:02:13,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:02:13,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:13,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:02:13,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:02:13,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:13" (1/1) ... [2023-11-19 05:02:13,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b031c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:13, skipping insertion in model container [2023-11-19 05:02:13,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:13" (1/1) ... [2023-11-19 05:02:13,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:02:14,163 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_730c1f92-950a-472d-a3f0-8603f96ce904/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2023-11-19 05:02:14,327 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_730c1f92-950a-472d-a3f0-8603f96ce904/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2023-11-19 05:02:14,328 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_730c1f92-950a-472d-a3f0-8603f96ce904/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2023-11-19 05:02:14,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:14,390 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:02:14,445 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_730c1f92-950a-472d-a3f0-8603f96ce904/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2023-11-19 05:02:14,539 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_730c1f92-950a-472d-a3f0-8603f96ce904/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2023-11-19 05:02:14,543 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_730c1f92-950a-472d-a3f0-8603f96ce904/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2023-11-19 05:02:14,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:14,605 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:02:14,613 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:02:14,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14 WrapperNode [2023-11-19 05:02:14,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:14,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:14,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:02:14,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:02:14,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (1/1) ... [2023-11-19 05:02:14,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (1/1) ... [2023-11-19 05:02:14,769 INFO L138 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1494 [2023-11-19 05:02:14,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:14,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:02:14,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:02:14,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:02:14,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (1/1) ... [2023-11-19 05:02:14,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (1/1) ... [2023-11-19 05:02:14,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (1/1) ... [2023-11-19 05:02:14,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (1/1) ... [2023-11-19 05:02:14,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (1/1) ... [2023-11-19 05:02:14,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (1/1) ... [2023-11-19 05:02:14,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (1/1) ... [2023-11-19 05:02:14,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (1/1) ... [2023-11-19 05:02:14,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:02:14,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:02:14,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:02:15,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:02:15,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (1/1) ... [2023-11-19 05:02:15,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:15,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:15,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:02:15,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:02:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:02:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:02:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:02:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:02:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:02:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:02:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:02:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:02:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:02:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:02:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:02:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:02:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:02:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:02:15,403 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:02:15,407 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:02:16,966 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:02:18,808 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:02:18,809 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 05:02:18,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:18 BoogieIcfgContainer [2023-11-19 05:02:18,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:02:18,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:02:18,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:02:18,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:02:18,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:02:13" (1/3) ... [2023-11-19 05:02:18,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed849af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:18, skipping insertion in model container [2023-11-19 05:02:18,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:14" (2/3) ... [2023-11-19 05:02:18,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed849af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:18, skipping insertion in model container [2023-11-19 05:02:18,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:18" (3/3) ... [2023-11-19 05:02:18,829 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-2.i [2023-11-19 05:02:18,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:02:18,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 05:02:18,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:02:18,924 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;@1e8162d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:02:18,924 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 05:02:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 124 states have (on average 1.75) internal successors, (217), 126 states have internal predecessors, (217), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:02:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 05:02:18,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:18,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:18,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:18,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:18,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1574597428, now seen corresponding path program 1 times [2023-11-19 05:02:18,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:18,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356371944] [2023-11-19 05:02:18,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:18,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:02:19,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:19,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356371944] [2023-11-19 05:02:19,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356371944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:19,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:19,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:02:19,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575064737] [2023-11-19 05:02:19,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:19,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:02:19,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:19,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:02:19,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:02:19,284 INFO L87 Difference]: Start difference. First operand has 131 states, 124 states have (on average 1.75) internal successors, (217), 126 states have internal predecessors, (217), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:21,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:23,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:25,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:27,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:27,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:27,841 INFO L93 Difference]: Finished difference Result 259 states and 442 transitions. [2023-11-19 05:02:27,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:02:27,846 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2023-11-19 05:02:27,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:27,852 INFO L225 Difference]: With dead ends: 259 [2023-11-19 05:02:27,852 INFO L226 Difference]: Without dead ends: 112 [2023-11-19 05:02:27,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:02:27,859 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:27,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2023-11-19 05:02:27,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-19 05:02:27,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-11-19 05:02:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 107 states have internal predecessors, (123), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:02:27,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2023-11-19 05:02:27,909 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 7 [2023-11-19 05:02:27,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:27,910 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2023-11-19 05:02:27,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:27,910 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2023-11-19 05:02:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 05:02:27,911 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:27,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:27,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:02:27,912 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:27,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:27,913 INFO L85 PathProgramCache]: Analyzing trace with hash 551902362, now seen corresponding path program 1 times [2023-11-19 05:02:27,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:27,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482919553] [2023-11-19 05:02:27,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:27,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:02:28,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:28,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482919553] [2023-11-19 05:02:28,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482919553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:28,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:28,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:02:28,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034134081] [2023-11-19 05:02:28,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:28,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:02:28,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:28,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:02:28,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:02:28,113 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:30,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:32,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:34,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:36,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:38,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:40,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:42,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:44,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:46,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:47,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:49,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:51,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:53,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:55,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:57,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:02:58,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:58,519 INFO L93 Difference]: Finished difference Result 222 states and 256 transitions. [2023-11-19 05:02:58,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:02:58,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2023-11-19 05:02:58,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:58,526 INFO L225 Difference]: With dead ends: 222 [2023-11-19 05:02:58,526 INFO L226 Difference]: Without dead ends: 167 [2023-11-19 05:02:58,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:02:58,528 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 64 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:58,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 275 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 13 Unknown, 0 Unchecked, 30.3s Time] [2023-11-19 05:02:58,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-19 05:02:58,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 114. [2023-11-19 05:02:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 108 states have (on average 1.1574074074074074) internal successors, (125), 109 states have internal predecessors, (125), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:02:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2023-11-19 05:02:58,546 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 9 [2023-11-19 05:02:58,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:58,546 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2023-11-19 05:02:58,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:58,547 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2023-11-19 05:02:58,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 05:02:58,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:58,550 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] [2023-11-19 05:02:58,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:02:58,550 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:58,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:58,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1704635713, now seen corresponding path program 1 times [2023-11-19 05:02:58,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:58,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642981051] [2023-11-19 05:02:58,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:58,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:58,644 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:02:58,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [777233785] [2023-11-19 05:02:58,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:58,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:02:58,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:58,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:02:58,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:02:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:59,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:02:59,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:02:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:02:59,140 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:02:59,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:59,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642981051] [2023-11-19 05:02:59,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:02:59,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777233785] [2023-11-19 05:02:59,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777233785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:59,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:59,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:02:59,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886637675] [2023-11-19 05:02:59,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:59,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:02:59,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:59,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:02:59,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:59,144 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:01,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:03,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:03,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:03,181 INFO L93 Difference]: Finished difference Result 122 states and 140 transitions. [2023-11-19 05:03:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:03:03,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 37 [2023-11-19 05:03:03,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:03,187 INFO L225 Difference]: With dead ends: 122 [2023-11-19 05:03:03,187 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:03:03,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:03:03,189 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:03,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2023-11-19 05:03:03,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:03:03,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:03:03,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:03:03,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2023-11-19 05:03:03,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:03,192 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:03:03,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:03,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:03:03,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:03:03,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-19 05:03:03,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-19 05:03:03,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:03,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:03:03,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:03:03,503 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:03:03,504 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 05:03:03,504 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 05:03:03,504 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 734) no Hoare annotation was computed. [2023-11-19 05:03:03,504 INFO L899 garLoopResultBuilder]: For program point L715-1(lines 715 723) no Hoare annotation was computed. [2023-11-19 05:03:03,504 INFO L899 garLoopResultBuilder]: For program point L715-3(lines 715 723) no Hoare annotation was computed. [2023-11-19 05:03:03,505 INFO L895 garLoopResultBuilder]: At program point L715-4(lines 715 723) 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)) [2023-11-19 05:03:03,505 INFO L899 garLoopResultBuilder]: For program point L715-5(lines 715 723) no Hoare annotation was computed. [2023-11-19 05:03:03,505 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:03:03,505 INFO L899 garLoopResultBuilder]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2023-11-19 05:03:03,505 INFO L899 garLoopResultBuilder]: For program point L724-3(lines 724 732) no Hoare annotation was computed. [2023-11-19 05:03:03,505 INFO L895 garLoopResultBuilder]: At program point L724-4(lines 724 732) the Hoare annotation is: false [2023-11-19 05:03:03,506 INFO L899 garLoopResultBuilder]: For program point L724-5(lines 724 732) no Hoare annotation was computed. [2023-11-19 05:03:03,506 INFO L899 garLoopResultBuilder]: For program point L722-68(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,506 INFO L895 garLoopResultBuilder]: At program point L722-69(line 722) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:03:03,506 INFO L899 garLoopResultBuilder]: For program point L722-70(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,506 INFO L895 garLoopResultBuilder]: At program point L722-71(line 722) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:03:03,507 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 730) no Hoare annotation was computed. [2023-11-19 05:03:03,507 INFO L899 garLoopResultBuilder]: For program point L727-3(line 727) no Hoare annotation was computed. [2023-11-19 05:03:03,507 INFO L899 garLoopResultBuilder]: For program point L725-68(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,507 INFO L902 garLoopResultBuilder]: At program point L725-69(line 725) the Hoare annotation is: true [2023-11-19 05:03:03,507 INFO L899 garLoopResultBuilder]: For program point L725-70(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,507 INFO L899 garLoopResultBuilder]: For program point L727-8(line 727) no Hoare annotation was computed. [2023-11-19 05:03:03,507 INFO L895 garLoopResultBuilder]: At program point L725-71(line 725) the Hoare annotation is: false [2023-11-19 05:03:03,508 INFO L899 garLoopResultBuilder]: For program point L727-11(line 727) no Hoare annotation was computed. [2023-11-19 05:03:03,508 INFO L895 garLoopResultBuilder]: At program point L727-12(line 727) the Hoare annotation is: false [2023-11-19 05:03:03,508 INFO L899 garLoopResultBuilder]: For program point L727-13(line 727) no Hoare annotation was computed. [2023-11-19 05:03:03,508 INFO L899 garLoopResultBuilder]: For program point L722-170(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,508 INFO L895 garLoopResultBuilder]: At program point L722-171(line 722) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:03:03,508 INFO L899 garLoopResultBuilder]: For program point L722-172(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,509 INFO L899 garLoopResultBuilder]: For program point L722-173(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,509 INFO L895 garLoopResultBuilder]: At program point L722-174(line 722) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:03:03,510 INFO L899 garLoopResultBuilder]: For program point L722-175(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,511 INFO L895 garLoopResultBuilder]: At program point L722-176(line 722) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:03:03,511 INFO L899 garLoopResultBuilder]: For program point L727-22(line 727) no Hoare annotation was computed. [2023-11-19 05:03:03,511 INFO L899 garLoopResultBuilder]: For program point L722-178(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,511 INFO L895 garLoopResultBuilder]: At program point L727-23(line 727) the Hoare annotation is: false [2023-11-19 05:03:03,511 INFO L899 garLoopResultBuilder]: For program point L722-180(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,511 INFO L895 garLoopResultBuilder]: At program point L722-182(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,511 INFO L899 garLoopResultBuilder]: For program point L722-183(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,512 INFO L899 garLoopResultBuilder]: For program point L722-184(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,512 INFO L895 garLoopResultBuilder]: At program point L722-186(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,512 INFO L899 garLoopResultBuilder]: For program point L722-187(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,512 INFO L899 garLoopResultBuilder]: For program point L722-188(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,512 INFO L895 garLoopResultBuilder]: At program point L722-189(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,512 INFO L899 garLoopResultBuilder]: For program point L727-34(line 727) no Hoare annotation was computed. [2023-11-19 05:03:03,513 INFO L899 garLoopResultBuilder]: For program point L722-190(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,513 INFO L895 garLoopResultBuilder]: At program point L727-35(line 727) the Hoare annotation is: false [2023-11-19 05:03:03,513 INFO L899 garLoopResultBuilder]: For program point L727-36(line 727) no Hoare annotation was computed. [2023-11-19 05:03:03,513 INFO L899 garLoopResultBuilder]: For program point L727-37(line 727) no Hoare annotation was computed. [2023-11-19 05:03:03,513 INFO L899 garLoopResultBuilder]: For program point L722-193(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,513 INFO L899 garLoopResultBuilder]: For program point L727-38(line 727) no Hoare annotation was computed. [2023-11-19 05:03:03,514 INFO L895 garLoopResultBuilder]: At program point L722-194(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,514 INFO L895 garLoopResultBuilder]: At program point L727-39(line 727) the Hoare annotation is: false [2023-11-19 05:03:03,514 INFO L899 garLoopResultBuilder]: For program point L727-40(line 727) no Hoare annotation was computed. [2023-11-19 05:03:03,514 INFO L899 garLoopResultBuilder]: For program point L722-202(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,514 INFO L895 garLoopResultBuilder]: At program point L722-203(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,514 INFO L899 garLoopResultBuilder]: For program point L722-210(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,514 INFO L899 garLoopResultBuilder]: For program point L722-212(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,515 INFO L895 garLoopResultBuilder]: At program point L722-214(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,515 INFO L899 garLoopResultBuilder]: For program point L722-215(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,515 INFO L899 garLoopResultBuilder]: For program point L722-225(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,515 INFO L899 garLoopResultBuilder]: For program point L722-235(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,515 INFO L895 garLoopResultBuilder]: At program point L722-236(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,515 INFO L899 garLoopResultBuilder]: For program point L722-237(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,516 INFO L895 garLoopResultBuilder]: At program point L722-246(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,516 INFO L895 garLoopResultBuilder]: At program point L722-248(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,516 INFO L899 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2023-11-19 05:03:03,516 INFO L899 garLoopResultBuilder]: For program point L722-249(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,516 INFO L899 garLoopResultBuilder]: For program point L722-255(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,516 INFO L899 garLoopResultBuilder]: For program point L722-256(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,516 INFO L895 garLoopResultBuilder]: At program point L722-257(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,517 INFO L899 garLoopResultBuilder]: For program point L722-259(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,528 INFO L899 garLoopResultBuilder]: For program point L722-260(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,528 INFO L895 garLoopResultBuilder]: At program point L722-261(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,529 INFO L899 garLoopResultBuilder]: For program point L722-262(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,529 INFO L899 garLoopResultBuilder]: For program point L722-263(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,530 INFO L899 garLoopResultBuilder]: For program point L725-170(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,530 INFO L895 garLoopResultBuilder]: At program point L722-264(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,530 INFO L895 garLoopResultBuilder]: At program point L725-171(line 725) the Hoare annotation is: false [2023-11-19 05:03:03,530 INFO L899 garLoopResultBuilder]: For program point L722-265(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,530 INFO L899 garLoopResultBuilder]: For program point L725-172(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,531 INFO L895 garLoopResultBuilder]: At program point L722-266(line 722) the Hoare annotation is: false [2023-11-19 05:03:03,531 INFO L899 garLoopResultBuilder]: For program point L725-173(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,531 INFO L899 garLoopResultBuilder]: For program point L722-267(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,531 INFO L895 garLoopResultBuilder]: At program point L725-174(line 725) the Hoare annotation is: false [2023-11-19 05:03:03,531 INFO L899 garLoopResultBuilder]: For program point L722-268(line 722) no Hoare annotation was computed. [2023-11-19 05:03:03,532 INFO L899 garLoopResultBuilder]: For program point L725-175(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,532 INFO L895 garLoopResultBuilder]: At program point L722-269(line 722) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:03:03,532 INFO L895 garLoopResultBuilder]: At program point L725-176(line 725) the Hoare annotation is: false [2023-11-19 05:03:03,532 INFO L899 garLoopResultBuilder]: For program point L725-178(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,532 INFO L899 garLoopResultBuilder]: For program point L725-185(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,533 INFO L895 garLoopResultBuilder]: At program point L725-186(line 725) the Hoare annotation is: false [2023-11-19 05:03:03,533 INFO L899 garLoopResultBuilder]: For program point L725-187(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,533 INFO L899 garLoopResultBuilder]: For program point L725-188(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,533 INFO L899 garLoopResultBuilder]: For program point L725-190(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,533 INFO L895 garLoopResultBuilder]: At program point L725-191(line 725) the Hoare annotation is: false [2023-11-19 05:03:03,534 INFO L899 garLoopResultBuilder]: For program point L725-197(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,534 INFO L899 garLoopResultBuilder]: For program point L725-198(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,534 INFO L899 garLoopResultBuilder]: For program point L725-201(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,534 INFO L899 garLoopResultBuilder]: For program point L725-202(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,537 INFO L899 garLoopResultBuilder]: For program point L725-204(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,537 INFO L895 garLoopResultBuilder]: At program point L725-205(line 725) the Hoare annotation is: false [2023-11-19 05:03:03,537 INFO L895 garLoopResultBuilder]: At program point L725-207(line 725) the Hoare annotation is: false [2023-11-19 05:03:03,539 INFO L899 garLoopResultBuilder]: For program point L725-208(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,539 INFO L895 garLoopResultBuilder]: At program point L725-209(line 725) the Hoare annotation is: false [2023-11-19 05:03:03,539 INFO L899 garLoopResultBuilder]: For program point L725-211(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,540 INFO L899 garLoopResultBuilder]: For program point L725-213(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,540 INFO L895 garLoopResultBuilder]: At program point L725-214(line 725) the Hoare annotation is: false [2023-11-19 05:03:03,540 INFO L899 garLoopResultBuilder]: For program point L725-215(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,540 INFO L899 garLoopResultBuilder]: For program point L725-216(line 725) no Hoare annotation was computed. [2023-11-19 05:03:03,540 INFO L895 garLoopResultBuilder]: At program point L725-217(line 725) the Hoare annotation is: false [2023-11-19 05:03:03,541 INFO L899 garLoopResultBuilder]: For program point L725-218(lines 724 732) no Hoare annotation was computed. [2023-11-19 05:03:03,541 INFO L895 garLoopResultBuilder]: At program point L733-3(lines 733 735) the Hoare annotation is: false [2023-11-19 05:03:03,541 INFO L899 garLoopResultBuilder]: For program point L734(line 734) no Hoare annotation was computed. [2023-11-19 05:03:03,541 INFO L902 garLoopResultBuilder]: At program point L737-9(lines 737 740) the Hoare annotation is: true [2023-11-19 05:03:03,541 INFO L899 garLoopResultBuilder]: For program point L738-3(line 738) no Hoare annotation was computed. [2023-11-19 05:03:03,542 INFO L899 garLoopResultBuilder]: For program point L738-8(line 738) no Hoare annotation was computed. [2023-11-19 05:03:03,542 INFO L899 garLoopResultBuilder]: For program point L738-11(line 738) no Hoare annotation was computed. [2023-11-19 05:03:03,542 INFO L902 garLoopResultBuilder]: At program point L738-12(line 738) the Hoare annotation is: true [2023-11-19 05:03:03,542 INFO L899 garLoopResultBuilder]: For program point L738-13(line 738) no Hoare annotation was computed. [2023-11-19 05:03:03,542 INFO L899 garLoopResultBuilder]: For program point L738-22(line 738) no Hoare annotation was computed. [2023-11-19 05:03:03,542 INFO L902 garLoopResultBuilder]: At program point L738-23(line 738) the Hoare annotation is: true [2023-11-19 05:03:03,543 INFO L899 garLoopResultBuilder]: For program point L738-34(line 738) no Hoare annotation was computed. [2023-11-19 05:03:03,543 INFO L902 garLoopResultBuilder]: At program point L738-35(line 738) the Hoare annotation is: true [2023-11-19 05:03:03,543 INFO L899 garLoopResultBuilder]: For program point L738-36(line 738) no Hoare annotation was computed. [2023-11-19 05:03:03,543 INFO L899 garLoopResultBuilder]: For program point L738-37(line 738) no Hoare annotation was computed. [2023-11-19 05:03:03,543 INFO L899 garLoopResultBuilder]: For program point L738-38(line 738) no Hoare annotation was computed. [2023-11-19 05:03:03,544 INFO L902 garLoopResultBuilder]: At program point L738-39(line 738) the Hoare annotation is: true [2023-11-19 05:03:03,544 INFO L899 garLoopResultBuilder]: For program point L738-40(line 738) no Hoare annotation was computed. [2023-11-19 05:03:03,544 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:03:03,547 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 05:03:03,549 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:03:03,575 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:03:03,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:03:03 BoogieIcfgContainer [2023-11-19 05:03:03,576 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:03:03,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:03:03,577 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:03:03,577 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:03:03,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:18" (3/4) ... [2023-11-19 05:03:03,580 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:03:03,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 05:03:03,615 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 215 nodes and edges [2023-11-19 05:03:03,619 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2023-11-19 05:03:03,621 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 05:03:03,624 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 05:03:03,839 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:03:03,839 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:03:03,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:03:03,842 INFO L158 Benchmark]: Toolchain (without parser) took 50110.94ms. Allocated memory was 190.8MB in the beginning and 381.7MB in the end (delta: 190.8MB). Free memory was 139.6MB in the beginning and 160.6MB in the end (delta: -21.0MB). Peak memory consumption was 171.9MB. Max. memory is 16.1GB. [2023-11-19 05:03:03,843 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 190.8MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:03:03,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 883.68ms. Allocated memory is still 190.8MB. Free memory was 139.4MB in the beginning and 104.9MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 05:03:03,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.60ms. Allocated memory is still 190.8MB. Free memory was 104.9MB in the beginning and 95.8MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:03:03,845 INFO L158 Benchmark]: Boogie Preprocessor took 200.98ms. Allocated memory is still 190.8MB. Free memory was 95.8MB in the beginning and 86.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:03:03,845 INFO L158 Benchmark]: RCFGBuilder took 3843.32ms. Allocated memory was 190.8MB in the beginning and 291.5MB in the end (delta: 100.7MB). Free memory was 86.0MB in the beginning and 97.3MB in the end (delta: -11.3MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. [2023-11-19 05:03:03,846 INFO L158 Benchmark]: TraceAbstraction took 44757.87ms. Allocated memory was 291.5MB in the beginning and 381.7MB in the end (delta: 90.2MB). Free memory was 97.3MB in the beginning and 177.4MB in the end (delta: -80.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-19 05:03:03,846 INFO L158 Benchmark]: Witness Printer took 262.79ms. Allocated memory is still 381.7MB. Free memory was 177.4MB in the beginning and 160.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:03:03,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 190.8MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 883.68ms. Allocated memory is still 190.8MB. Free memory was 139.4MB in the beginning and 104.9MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.60ms. Allocated memory is still 190.8MB. Free memory was 104.9MB in the beginning and 95.8MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 200.98ms. Allocated memory is still 190.8MB. Free memory was 95.8MB in the beginning and 86.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3843.32ms. Allocated memory was 190.8MB in the beginning and 291.5MB in the end (delta: 100.7MB). Free memory was 86.0MB in the beginning and 97.3MB in the end (delta: -11.3MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. * TraceAbstraction took 44757.87ms. Allocated memory was 291.5MB in the beginning and 381.7MB in the end (delta: 90.2MB). Free memory was 97.3MB in the beginning and 177.4MB in the end (delta: -80.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 262.79ms. Allocated memory is still 381.7MB. Free memory was 177.4MB in the beginning and 160.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: 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: 730]: 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: 734]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 131 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 44.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 43.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 42.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 400 SdHoareTripleChecker+Invalid, 42.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 177 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 223 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 38 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 53 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 55 PreInvPairs, 68 NumberOfFragments, 94 HoareAnnotationTreeSize, 55 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 339 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: 722]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-19 05:03:03,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730c1f92-950a-472d-a3f0-8603f96ce904/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE