./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/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_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/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_422029b8-8309-4e9f-a21e-9f8067b91d57/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 ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:19:22,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:19:22,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:19:22,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:19:22,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:19:22,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:19:22,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:19:22,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:19:22,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:19:22,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:19:22,974 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:19:22,975 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:19:22,976 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:19:22,977 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:19:22,978 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:19:22,978 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:19:22,979 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:19:22,979 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:19:22,979 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:19:22,980 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:19:22,980 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:19:22,981 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:19:22,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:19:22,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:19:22,982 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:19:22,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:19:22,983 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:19:22,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:19:22,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:19:22,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:19:22,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:19:22,985 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:19:22,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:19:22,985 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:19:22,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:19:22,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:19:22,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:19:22,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:19:22,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:19:22,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:19:22,987 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:19:22,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:19:22,987 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:19:22,988 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:19:22,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:19:22,988 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_422029b8-8309-4e9f-a21e-9f8067b91d57/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 [2023-11-19 05:19:23,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:19:23,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:19:23,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:19:23,251 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:19:23,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:19:23,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2023-11-19 05:19:26,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:19:26,729 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:19:26,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2023-11-19 05:19:26,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/data/eeddc32a9/4334af88231c48e5ba76c4178e229505/FLAG9aa6a2872 [2023-11-19 05:19:26,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/data/eeddc32a9/4334af88231c48e5ba76c4178e229505 [2023-11-19 05:19:26,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:19:26,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:19:26,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:19:26,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:19:26,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:19:26,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:26" (1/1) ... [2023-11-19 05:19:26,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526642bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:26, skipping insertion in model container [2023-11-19 05:19:26,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:26" (1/1) ... [2023-11-19 05:19:26,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:19:27,354 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_422029b8-8309-4e9f-a21e-9f8067b91d57/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[33021,33034] [2023-11-19 05:19:27,516 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_422029b8-8309-4e9f-a21e-9f8067b91d57/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44124,44137] [2023-11-19 05:19:27,524 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_422029b8-8309-4e9f-a21e-9f8067b91d57/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44245,44258] [2023-11-19 05:19:27,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:19:27,562 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:19:27,618 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_422029b8-8309-4e9f-a21e-9f8067b91d57/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[33021,33034] [2023-11-19 05:19:27,713 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_422029b8-8309-4e9f-a21e-9f8067b91d57/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44124,44137] [2023-11-19 05:19:27,721 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_422029b8-8309-4e9f-a21e-9f8067b91d57/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44245,44258] [2023-11-19 05:19:27,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:19:27,783 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:19:27,789 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:19:27,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27 WrapperNode [2023-11-19 05:19:27,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:19:27,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:19:27,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:19:27,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:19:27,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (1/1) ... [2023-11-19 05:19:27,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (1/1) ... [2023-11-19 05:19:27,946 INFO L138 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1494 [2023-11-19 05:19:27,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:19:27,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:19:27,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:19:27,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:19:27,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (1/1) ... [2023-11-19 05:19:27,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (1/1) ... [2023-11-19 05:19:27,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (1/1) ... [2023-11-19 05:19:27,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (1/1) ... [2023-11-19 05:19:28,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (1/1) ... [2023-11-19 05:19:28,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (1/1) ... [2023-11-19 05:19:28,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (1/1) ... [2023-11-19 05:19:28,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (1/1) ... [2023-11-19 05:19:28,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:19:28,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:19:28,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:19:28,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:19:28,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (1/1) ... [2023-11-19 05:19:28,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:19:28,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:19:28,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:19:28,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:19:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:19:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:19:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:19:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:19:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:19:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:19:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:19:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:19:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:19:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:19:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:19:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:19:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:19:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:19:28,465 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:19:28,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:19:30,194 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:19:32,121 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:19:32,121 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 05:19:32,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:32 BoogieIcfgContainer [2023-11-19 05:19:32,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:19:32,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:19:32,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:19:32,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:19:32,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:19:26" (1/3) ... [2023-11-19 05:19:32,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7b97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:32, skipping insertion in model container [2023-11-19 05:19:32,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:27" (2/3) ... [2023-11-19 05:19:32,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7b97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:32, skipping insertion in model container [2023-11-19 05:19:32,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:32" (3/3) ... [2023-11-19 05:19:32,195 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-2.i [2023-11-19 05:19:32,218 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:19:32,219 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 05:19:32,288 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:19:32,296 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;@78f19252, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:19:32,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 05:19:32,303 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 05:19:32,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 05:19:32,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:19:32,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:19:32,310 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:19:32,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:19:32,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1574597428, now seen corresponding path program 1 times [2023-11-19 05:19:32,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:19:32,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38749333] [2023-11-19 05:19:32,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:19:32,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:19:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:19:32,565 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 05:19:32,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:19:32,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38749333] [2023-11-19 05:19:32,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38749333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:19:32,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:19:32,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:19:32,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075256171] [2023-11-19 05:19:32,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:19:32,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:19:32,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:19:32,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:19:32,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:19:32,630 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 05:19:34,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:36,703 WARN L539 Checker$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 05:19:38,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:40,753 WARN L539 Checker$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 05:19:41,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:19:41,577 INFO L93 Difference]: Finished difference Result 259 states and 442 transitions. [2023-11-19 05:19:41,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:19:41,584 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 05:19:41,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:19:41,593 INFO L225 Difference]: With dead ends: 259 [2023-11-19 05:19:41,593 INFO L226 Difference]: Without dead ends: 112 [2023-11-19 05:19:41,596 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 05:19:41,600 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s 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, 8.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:19:41,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2023-11-19 05:19:41,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-19 05:19:41,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-11-19 05:19:41,649 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 05:19:41,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2023-11-19 05:19:41,653 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 7 [2023-11-19 05:19:41,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:19:41,653 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2023-11-19 05:19:41,654 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 05:19:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2023-11-19 05:19:41,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 05:19:41,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:19:41,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:19:41,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:19:41,656 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:19:41,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:19:41,657 INFO L85 PathProgramCache]: Analyzing trace with hash 551902362, now seen corresponding path program 1 times [2023-11-19 05:19:41,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:19:41,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526687726] [2023-11-19 05:19:41,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:19:41,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:19:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:19:41,875 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 05:19:41,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:19:41,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526687726] [2023-11-19 05:19:41,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526687726] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:19:41,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:19:41,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:19:41,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955377037] [2023-11-19 05:19:41,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:19:41,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:19:41,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:19:41,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:19:41,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:19:41,880 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 05:19:43,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:45,947 WARN L539 Checker$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 05:19:47,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:50,190 WARN L539 Checker$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 05:19:52,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:54,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:56,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:58,403 WARN L539 Checker$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 05:20:00,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:20:02,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:20:02,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:02,776 INFO L93 Difference]: Finished difference Result 244 states and 280 transitions. [2023-11-19 05:20:02,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:20:02,780 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 05:20:02,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:02,781 INFO L225 Difference]: With dead ends: 244 [2023-11-19 05:20:02,781 INFO L226 Difference]: Without dead ends: 126 [2023-11-19 05:20:02,782 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 05:20:02,784 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 127 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:20:02,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 208 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 80 Invalid, 5 Unknown, 0 Unchecked, 20.8s Time] [2023-11-19 05:20:02,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-19 05:20:02,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 111. [2023-11-19 05:20:02,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 105 states have (on average 1.1428571428571428) internal successors, (120), 106 states have internal predecessors, (120), 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 05:20:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2023-11-19 05:20:02,803 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 9 [2023-11-19 05:20:02,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:02,803 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2023-11-19 05:20:02,804 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 05:20:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2023-11-19 05:20:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 05:20:02,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:02,806 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 05:20:02,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:20:02,806 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:02,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:02,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1704635713, now seen corresponding path program 1 times [2023-11-19 05:20:02,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:20:02,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471966520] [2023-11-19 05:20:02,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:02,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:20:02,885 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:20:02,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2019538655] [2023-11-19 05:20:02,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:02,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:20:02,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:02,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:20:02,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:20:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:03,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:20:03,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:03,458 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 05:20:03,462 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:20:03,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:20:03,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471966520] [2023-11-19 05:20:03,463 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:20:03,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019538655] [2023-11-19 05:20:03,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019538655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:20:03,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:20:03,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:20:03,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774001941] [2023-11-19 05:20:03,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:20:03,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:20:03,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:20:03,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:20:03,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:20:03,472 INFO L87 Difference]: Start difference. First operand 111 states and 126 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 05:20:05,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:20:07,621 WARN L539 Checker$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 05:20:09,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:20:11,773 WARN L539 Checker$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 05:20:12,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:12,763 INFO L93 Difference]: Finished difference Result 202 states and 224 transitions. [2023-11-19 05:20:12,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:20:12,770 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 05:20:12,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:12,771 INFO L225 Difference]: With dead ends: 202 [2023-11-19 05:20:12,771 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 05:20:12,772 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 05:20:12,773 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 43 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:20:12,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 128 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2023-11-19 05:20:12,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 05:20:12,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 93. [2023-11-19 05:20:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 87 states have (on average 1.0919540229885059) internal successors, (95), 88 states have internal predecessors, (95), 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 05:20:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 101 transitions. [2023-11-19 05:20:12,787 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 101 transitions. Word has length 37 [2023-11-19 05:20:12,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:12,787 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 101 transitions. [2023-11-19 05:20:12,788 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 05:20:12,788 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2023-11-19 05:20:12,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 05:20:12,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:12,790 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:20:12,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:13,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:20:13,004 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:13,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:13,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1164140453, now seen corresponding path program 1 times [2023-11-19 05:20:13,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:20:13,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46581595] [2023-11-19 05:20:13,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:13,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:20:13,094 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:20:13,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1382702207] [2023-11-19 05:20:13,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:13,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:20:13,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:13,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:20:13,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 05:20:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:13,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:20:13,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:13,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 05:20:13,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 05:20:13,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:20:13,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:20:13,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46581595] [2023-11-19 05:20:13,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:20:13,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382702207] [2023-11-19 05:20:13,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382702207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:20:13,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:20:13,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:20:13,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636728456] [2023-11-19 05:20:13,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:20:13,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:20:13,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:20:13,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:20:13,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:20:13,616 INFO L87 Difference]: Start difference. First operand 93 states and 101 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:20:15,647 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 05:20:15,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:15,649 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2023-11-19 05:20:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:20:15,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2023-11-19 05:20:15,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:15,652 INFO L225 Difference]: With dead ends: 93 [2023-11-19 05:20:15,652 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:20:15,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:20:15,654 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:20:15,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-19 05:20:15,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:20:15,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:20:15,656 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 05:20:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:20:15,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2023-11-19 05:20:15,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:15,656 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:20:15,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:20:15,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:20:15,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:20:15,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-19 05:20:15,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-19 05:20:15,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-19 05:20:15,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:20:15,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:20:15,918 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:20:15,918 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 05:20:15,919 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 05:20:15,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 734) no Hoare annotation was computed. [2023-11-19 05:20:15,919 INFO L899 garLoopResultBuilder]: For program point L715-1(lines 715 723) no Hoare annotation was computed. [2023-11-19 05:20:15,919 INFO L899 garLoopResultBuilder]: For program point L715-3(lines 715 723) no Hoare annotation was computed. [2023-11-19 05:20:15,920 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 05:20:15,921 INFO L899 garLoopResultBuilder]: For program point L715-5(lines 715 723) no Hoare annotation was computed. [2023-11-19 05:20:15,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:20:15,925 INFO L899 garLoopResultBuilder]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2023-11-19 05:20:15,926 INFO L899 garLoopResultBuilder]: For program point L724-3(lines 724 732) no Hoare annotation was computed. [2023-11-19 05:20:15,926 INFO L895 garLoopResultBuilder]: At program point L724-4(lines 724 732) the Hoare annotation is: false [2023-11-19 05:20:15,926 INFO L899 garLoopResultBuilder]: For program point L724-5(lines 724 732) no Hoare annotation was computed. [2023-11-19 05:20:15,927 INFO L899 garLoopResultBuilder]: For program point L722-68(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,928 INFO L902 garLoopResultBuilder]: At program point L722-69(line 722) the Hoare annotation is: true [2023-11-19 05:20:15,928 INFO L899 garLoopResultBuilder]: For program point L722-70(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,928 INFO L902 garLoopResultBuilder]: At program point L722-71(line 722) the Hoare annotation is: true [2023-11-19 05:20:15,934 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 730) no Hoare annotation was computed. [2023-11-19 05:20:15,936 INFO L899 garLoopResultBuilder]: For program point L727-3(line 727) no Hoare annotation was computed. [2023-11-19 05:20:15,936 INFO L899 garLoopResultBuilder]: For program point L725-68(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,936 INFO L902 garLoopResultBuilder]: At program point L725-69(line 725) the Hoare annotation is: true [2023-11-19 05:20:15,937 INFO L899 garLoopResultBuilder]: For program point L725-70(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,937 INFO L899 garLoopResultBuilder]: For program point L727-8(line 727) no Hoare annotation was computed. [2023-11-19 05:20:15,937 INFO L895 garLoopResultBuilder]: At program point L725-71(line 725) the Hoare annotation is: false [2023-11-19 05:20:15,937 INFO L899 garLoopResultBuilder]: For program point L727-11(line 727) no Hoare annotation was computed. [2023-11-19 05:20:15,937 INFO L895 garLoopResultBuilder]: At program point L727-12(line 727) the Hoare annotation is: false [2023-11-19 05:20:15,937 INFO L899 garLoopResultBuilder]: For program point L727-13(line 727) no Hoare annotation was computed. [2023-11-19 05:20:15,938 INFO L899 garLoopResultBuilder]: For program point L722-170(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,938 INFO L902 garLoopResultBuilder]: At program point L722-171(line 722) the Hoare annotation is: true [2023-11-19 05:20:15,938 INFO L899 garLoopResultBuilder]: For program point L722-172(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,938 INFO L899 garLoopResultBuilder]: For program point L722-173(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,941 INFO L902 garLoopResultBuilder]: At program point L722-174(line 722) the Hoare annotation is: true [2023-11-19 05:20:15,941 INFO L899 garLoopResultBuilder]: For program point L722-175(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,941 INFO L902 garLoopResultBuilder]: At program point L722-176(line 722) the Hoare annotation is: true [2023-11-19 05:20:15,943 INFO L899 garLoopResultBuilder]: For program point L727-22(line 727) no Hoare annotation was computed. [2023-11-19 05:20:15,944 INFO L899 garLoopResultBuilder]: For program point L722-178(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,944 INFO L895 garLoopResultBuilder]: At program point L727-23(line 727) the Hoare annotation is: false [2023-11-19 05:20:15,944 INFO L899 garLoopResultBuilder]: For program point L722-180(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,944 INFO L895 garLoopResultBuilder]: At program point L722-182(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,945 INFO L899 garLoopResultBuilder]: For program point L722-183(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,945 INFO L899 garLoopResultBuilder]: For program point L722-184(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,945 INFO L895 garLoopResultBuilder]: At program point L722-186(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,945 INFO L899 garLoopResultBuilder]: For program point L722-187(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,945 INFO L899 garLoopResultBuilder]: For program point L722-188(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,945 INFO L895 garLoopResultBuilder]: At program point L722-189(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,946 INFO L899 garLoopResultBuilder]: For program point L727-34(line 727) no Hoare annotation was computed. [2023-11-19 05:20:15,946 INFO L899 garLoopResultBuilder]: For program point L722-190(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,946 INFO L895 garLoopResultBuilder]: At program point L727-35(line 727) the Hoare annotation is: false [2023-11-19 05:20:15,946 INFO L899 garLoopResultBuilder]: For program point L727-36(line 727) no Hoare annotation was computed. [2023-11-19 05:20:15,946 INFO L899 garLoopResultBuilder]: For program point L727-37(line 727) no Hoare annotation was computed. [2023-11-19 05:20:15,946 INFO L899 garLoopResultBuilder]: For program point L722-193(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,946 INFO L899 garLoopResultBuilder]: For program point L727-38(line 727) no Hoare annotation was computed. [2023-11-19 05:20:15,947 INFO L895 garLoopResultBuilder]: At program point L722-194(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,947 INFO L895 garLoopResultBuilder]: At program point L727-39(line 727) the Hoare annotation is: false [2023-11-19 05:20:15,947 INFO L899 garLoopResultBuilder]: For program point L727-40(line 727) no Hoare annotation was computed. [2023-11-19 05:20:15,947 INFO L899 garLoopResultBuilder]: For program point L722-202(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,947 INFO L895 garLoopResultBuilder]: At program point L722-203(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,947 INFO L899 garLoopResultBuilder]: For program point L722-210(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,948 INFO L899 garLoopResultBuilder]: For program point L722-212(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,948 INFO L895 garLoopResultBuilder]: At program point L722-214(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,948 INFO L899 garLoopResultBuilder]: For program point L722-215(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,948 INFO L899 garLoopResultBuilder]: For program point L722-225(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,948 INFO L899 garLoopResultBuilder]: For program point L722-235(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,948 INFO L895 garLoopResultBuilder]: At program point L722-236(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,948 INFO L899 garLoopResultBuilder]: For program point L722-237(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,949 INFO L895 garLoopResultBuilder]: At program point L722-246(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,949 INFO L895 garLoopResultBuilder]: At program point L722-248(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,949 INFO L899 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2023-11-19 05:20:15,949 INFO L899 garLoopResultBuilder]: For program point L722-249(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,949 INFO L899 garLoopResultBuilder]: For program point L722-255(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,949 INFO L899 garLoopResultBuilder]: For program point L722-256(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,950 INFO L895 garLoopResultBuilder]: At program point L722-257(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,950 INFO L899 garLoopResultBuilder]: For program point L722-259(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,950 INFO L899 garLoopResultBuilder]: For program point L722-260(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,950 INFO L895 garLoopResultBuilder]: At program point L722-261(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,950 INFO L899 garLoopResultBuilder]: For program point L722-262(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,950 INFO L899 garLoopResultBuilder]: For program point L722-263(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,950 INFO L899 garLoopResultBuilder]: For program point L725-170(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,951 INFO L895 garLoopResultBuilder]: At program point L722-264(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,951 INFO L895 garLoopResultBuilder]: At program point L725-171(line 725) the Hoare annotation is: false [2023-11-19 05:20:15,951 INFO L899 garLoopResultBuilder]: For program point L722-265(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,952 INFO L899 garLoopResultBuilder]: For program point L725-172(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,952 INFO L895 garLoopResultBuilder]: At program point L722-266(line 722) the Hoare annotation is: false [2023-11-19 05:20:15,952 INFO L899 garLoopResultBuilder]: For program point L725-173(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,953 INFO L899 garLoopResultBuilder]: For program point L722-267(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,953 INFO L895 garLoopResultBuilder]: At program point L725-174(line 725) the Hoare annotation is: false [2023-11-19 05:20:15,953 INFO L899 garLoopResultBuilder]: For program point L722-268(line 722) no Hoare annotation was computed. [2023-11-19 05:20:15,953 INFO L899 garLoopResultBuilder]: For program point L725-175(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,954 INFO L902 garLoopResultBuilder]: At program point L722-269(line 722) the Hoare annotation is: true [2023-11-19 05:20:15,954 INFO L895 garLoopResultBuilder]: At program point L725-176(line 725) the Hoare annotation is: false [2023-11-19 05:20:15,954 INFO L899 garLoopResultBuilder]: For program point L725-178(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,954 INFO L899 garLoopResultBuilder]: For program point L725-185(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,954 INFO L895 garLoopResultBuilder]: At program point L725-186(line 725) the Hoare annotation is: false [2023-11-19 05:20:15,954 INFO L899 garLoopResultBuilder]: For program point L725-187(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,955 INFO L899 garLoopResultBuilder]: For program point L725-188(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,955 INFO L899 garLoopResultBuilder]: For program point L725-190(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,955 INFO L895 garLoopResultBuilder]: At program point L725-191(line 725) the Hoare annotation is: false [2023-11-19 05:20:15,955 INFO L899 garLoopResultBuilder]: For program point L725-197(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,955 INFO L899 garLoopResultBuilder]: For program point L725-198(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,955 INFO L899 garLoopResultBuilder]: For program point L725-201(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,955 INFO L899 garLoopResultBuilder]: For program point L725-202(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,956 INFO L899 garLoopResultBuilder]: For program point L725-204(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,956 INFO L895 garLoopResultBuilder]: At program point L725-205(line 725) the Hoare annotation is: false [2023-11-19 05:20:15,956 INFO L895 garLoopResultBuilder]: At program point L725-207(line 725) the Hoare annotation is: false [2023-11-19 05:20:15,956 INFO L899 garLoopResultBuilder]: For program point L725-208(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,956 INFO L895 garLoopResultBuilder]: At program point L725-209(line 725) the Hoare annotation is: false [2023-11-19 05:20:15,956 INFO L899 garLoopResultBuilder]: For program point L725-211(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,957 INFO L899 garLoopResultBuilder]: For program point L725-213(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,957 INFO L895 garLoopResultBuilder]: At program point L725-214(line 725) the Hoare annotation is: false [2023-11-19 05:20:15,957 INFO L899 garLoopResultBuilder]: For program point L725-215(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,957 INFO L899 garLoopResultBuilder]: For program point L725-216(line 725) no Hoare annotation was computed. [2023-11-19 05:20:15,957 INFO L895 garLoopResultBuilder]: At program point L725-217(line 725) the Hoare annotation is: false [2023-11-19 05:20:15,957 INFO L899 garLoopResultBuilder]: For program point L725-218(lines 724 732) no Hoare annotation was computed. [2023-11-19 05:20:15,957 INFO L895 garLoopResultBuilder]: At program point L733-3(lines 733 735) the Hoare annotation is: false [2023-11-19 05:20:15,958 INFO L899 garLoopResultBuilder]: For program point L734(line 734) no Hoare annotation was computed. [2023-11-19 05:20:15,958 INFO L902 garLoopResultBuilder]: At program point L737-9(lines 737 740) the Hoare annotation is: true [2023-11-19 05:20:15,958 INFO L899 garLoopResultBuilder]: For program point L738-3(line 738) no Hoare annotation was computed. [2023-11-19 05:20:15,958 INFO L899 garLoopResultBuilder]: For program point L738-8(line 738) no Hoare annotation was computed. [2023-11-19 05:20:15,958 INFO L899 garLoopResultBuilder]: For program point L738-11(line 738) no Hoare annotation was computed. [2023-11-19 05:20:15,958 INFO L902 garLoopResultBuilder]: At program point L738-12(line 738) the Hoare annotation is: true [2023-11-19 05:20:15,959 INFO L899 garLoopResultBuilder]: For program point L738-13(line 738) no Hoare annotation was computed. [2023-11-19 05:20:15,959 INFO L899 garLoopResultBuilder]: For program point L738-22(line 738) no Hoare annotation was computed. [2023-11-19 05:20:15,959 INFO L902 garLoopResultBuilder]: At program point L738-23(line 738) the Hoare annotation is: true [2023-11-19 05:20:15,959 INFO L899 garLoopResultBuilder]: For program point L738-34(line 738) no Hoare annotation was computed. [2023-11-19 05:20:15,959 INFO L902 garLoopResultBuilder]: At program point L738-35(line 738) the Hoare annotation is: true [2023-11-19 05:20:15,959 INFO L899 garLoopResultBuilder]: For program point L738-36(line 738) no Hoare annotation was computed. [2023-11-19 05:20:15,959 INFO L899 garLoopResultBuilder]: For program point L738-37(line 738) no Hoare annotation was computed. [2023-11-19 05:20:15,960 INFO L899 garLoopResultBuilder]: For program point L738-38(line 738) no Hoare annotation was computed. [2023-11-19 05:20:15,960 INFO L902 garLoopResultBuilder]: At program point L738-39(line 738) the Hoare annotation is: true [2023-11-19 05:20:15,960 INFO L899 garLoopResultBuilder]: For program point L738-40(line 738) no Hoare annotation was computed. [2023-11-19 05:20:15,960 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:20:15,964 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 05:20:15,966 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:20:15,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:20:15,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:20:15 BoogieIcfgContainer [2023-11-19 05:20:15,988 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:20:15,990 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:20:15,990 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:20:15,990 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:20:15,991 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:32" (3/4) ... [2023-11-19 05:20:15,993 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:20:15,996 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 05:20:16,031 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 215 nodes and edges [2023-11-19 05:20:16,034 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2023-11-19 05:20:16,037 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 05:20:16,041 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 05:20:16,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:20:16,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:20:16,261 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:20:16,262 INFO L158 Benchmark]: Toolchain (without parser) took 49487.15ms. Allocated memory was 176.2MB in the beginning and 285.2MB in the end (delta: 109.1MB). Free memory was 131.6MB in the beginning and 93.8MB in the end (delta: 37.8MB). Peak memory consumption was 149.7MB. Max. memory is 16.1GB. [2023-11-19 05:20:16,262 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:16,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1012.78ms. Allocated memory is still 176.2MB. Free memory was 131.6MB in the beginning and 96.8MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 05:20:16,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.36ms. Allocated memory is still 176.2MB. Free memory was 96.8MB in the beginning and 140.8MB in the end (delta: -44.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-19 05:20:16,263 INFO L158 Benchmark]: Boogie Preprocessor took 153.13ms. Allocated memory is still 176.2MB. Free memory was 140.8MB in the beginning and 130.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:20:16,264 INFO L158 Benchmark]: RCFGBuilder took 4026.09ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 130.5MB in the beginning and 60.8MB in the end (delta: 69.7MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. [2023-11-19 05:20:16,264 INFO L158 Benchmark]: TraceAbstraction took 43799.18ms. Allocated memory is still 285.2MB. Free memory was 228.3MB in the beginning and 110.6MB in the end (delta: 117.7MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. [2023-11-19 05:20:16,265 INFO L158 Benchmark]: Witness Printer took 271.53ms. Allocated memory is still 285.2MB. Free memory was 110.6MB in the beginning and 93.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:20:16,268 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1012.78ms. Allocated memory is still 176.2MB. Free memory was 131.6MB in the beginning and 96.8MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 155.36ms. Allocated memory is still 176.2MB. Free memory was 96.8MB in the beginning and 140.8MB in the end (delta: -44.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.13ms. Allocated memory is still 176.2MB. Free memory was 140.8MB in the beginning and 130.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4026.09ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 130.5MB in the beginning and 60.8MB in the end (delta: 69.7MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. * TraceAbstraction took 43799.18ms. Allocated memory is still 285.2MB. Free memory was 228.3MB in the beginning and 110.6MB in the end (delta: 117.7MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. * Witness Printer took 271.53ms. Allocated memory is still 285.2MB. Free memory was 110.6MB in the beginning and 93.8MB 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.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: 43.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 41.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 41.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 460 SdHoareTripleChecker+Invalid, 40.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 157 IncrementalHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 310 mSDtfsCounter, 157 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 36 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 63 PreInvPairs, 82 NumberOfFragments, 58 HoareAnnotationTreeSize, 63 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 193 SizeOfPredicates, 3 NumberOfNonLiveVariables, 825 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 7/7 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 722]: 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: 1 - 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: 1 - 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: 1 - 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: 1 - 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: 1 - 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 05:20:16,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422029b8-8309-4e9f-a21e-9f8067b91d57/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