./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.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_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/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_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/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_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/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 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:17:37,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:17:37,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:17:37,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:17:37,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:17:37,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:17:37,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:17:37,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:17:37,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:17:37,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:17:37,451 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:17:37,452 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:17:37,453 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:17:37,454 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:17:37,455 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:17:37,456 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:17:37,456 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:17:37,457 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:17:37,458 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:17:37,459 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:17:37,460 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:17:37,461 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:17:37,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:17:37,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:17:37,463 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:17:37,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:17:37,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:17:37,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:17:37,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:17:37,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:17:37,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:17:37,468 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:17:37,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:17:37,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:17:37,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:17:37,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:17:37,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:37,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:17:37,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:17:37,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:17:37,474 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:17:37,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:17:37,475 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:17:37,476 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:17:37,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:17:37,477 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_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2023-11-19 04:17:37,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:17:37,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:17:37,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:17:37,869 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:17:37,870 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:17:37,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2023-11-19 04:17:41,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:17:41,704 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:17:41,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2023-11-19 04:17:41,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/data/0857b0669/a82db28113574a33bab1fa772f429455/FLAG644a829a1 [2023-11-19 04:17:41,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/data/0857b0669/a82db28113574a33bab1fa772f429455 [2023-11-19 04:17:41,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:17:41,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:17:41,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:41,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:17:41,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:17:41,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:41" (1/1) ... [2023-11-19 04:17:41,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f4425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:41, skipping insertion in model container [2023-11-19 04:17:41,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:41" (1/1) ... [2023-11-19 04:17:41,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:17:42,351 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_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2023-11-19 04:17:42,572 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_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2023-11-19 04:17:42,574 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_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2023-11-19 04:17:42,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:17:42,597 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:17:42,662 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_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2023-11-19 04:17:42,757 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2023-11-19 04:17:42,758 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_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2023-11-19 04:17:42,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:17:42,843 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:17:42,852 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:17:42,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42 WrapperNode [2023-11-19 04:17:42,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:42,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:17:42,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:17:42,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:17:42,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (1/1) ... [2023-11-19 04:17:42,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (1/1) ... [2023-11-19 04:17:43,008 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1329 [2023-11-19 04:17:43,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:17:43,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:17:43,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:17:43,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:17:43,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (1/1) ... [2023-11-19 04:17:43,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (1/1) ... [2023-11-19 04:17:43,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (1/1) ... [2023-11-19 04:17:43,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (1/1) ... [2023-11-19 04:17:43,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (1/1) ... [2023-11-19 04:17:43,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (1/1) ... [2023-11-19 04:17:43,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (1/1) ... [2023-11-19 04:17:43,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (1/1) ... [2023-11-19 04:17:43,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:17:43,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:17:43,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:17:43,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:17:43,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (1/1) ... [2023-11-19 04:17:43,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:43,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:17:43,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:17:43,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:17:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:17:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:17:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:17:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:17:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:17:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:17:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:17:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:17:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:17:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:17:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:17:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:17:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:17:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:17:43,597 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:17:43,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:17:45,411 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:17:47,388 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:17:47,388 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 04:17:47,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:47 BoogieIcfgContainer [2023-11-19 04:17:47,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:17:47,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:17:47,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:17:47,408 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:17:47,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:17:41" (1/3) ... [2023-11-19 04:17:47,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2169c0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:17:47, skipping insertion in model container [2023-11-19 04:17:47,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:42" (2/3) ... [2023-11-19 04:17:47,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2169c0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:17:47, skipping insertion in model container [2023-11-19 04:17:47,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:47" (3/3) ... [2023-11-19 04:17:47,413 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test7-1.i [2023-11-19 04:17:47,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:17:47,435 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:17:47,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:17:47,498 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;@48648078, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:17:47,498 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:17:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 109 states have (on average 1.7522935779816513) internal successors, (191), 111 states have internal predecessors, (191), 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 04:17:47,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:17:47,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:47,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:47,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:47,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:47,518 INFO L85 PathProgramCache]: Analyzing trace with hash 103126310, now seen corresponding path program 1 times [2023-11-19 04:17:47,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:47,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070457309] [2023-11-19 04:17:47,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:47,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:47,747 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 04:17:47,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:47,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070457309] [2023-11-19 04:17:47,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070457309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:47,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:47,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:17:47,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327326910] [2023-11-19 04:17:47,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:47,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:17:47,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:47,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:17:47,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:17:47,809 INFO L87 Difference]: Start difference. First operand has 116 states, 109 states have (on average 1.7522935779816513) internal successors, (191), 111 states have internal predecessors, (191), 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 04:17:49,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:17:51,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:17:53,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:17:55,951 WARN L539 Checker$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 04:17:56,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:56,532 INFO L93 Difference]: Finished difference Result 188 states and 318 transitions. [2023-11-19 04:17:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:17:56,538 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 04:17:56,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:56,545 INFO L225 Difference]: With dead ends: 188 [2023-11-19 04:17:56,545 INFO L226 Difference]: Without dead ends: 64 [2023-11-19 04:17:56,549 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 04:17:56,553 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:56,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2023-11-19 04:17:56,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-19 04:17:56,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-19 04:17:56,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 59 states have (on average 1.11864406779661) internal successors, (66), 59 states have internal predecessors, (66), 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 04:17:56,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions. [2023-11-19 04:17:56,616 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 7 [2023-11-19 04:17:56,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:56,617 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions. [2023-11-19 04:17:56,617 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 04:17:56,618 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2023-11-19 04:17:56,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:17:56,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:56,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:56,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:17:56,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:56,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:56,621 INFO L85 PathProgramCache]: Analyzing trace with hash -487601652, now seen corresponding path program 1 times [2023-11-19 04:17:56,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:56,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764686302] [2023-11-19 04:17:56,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:56,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:56,950 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 04:17:56,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:56,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764686302] [2023-11-19 04:17:56,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764686302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:56,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:56,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:17:56,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608250822] [2023-11-19 04:17:56,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:56,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:17:56,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:56,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:17:56,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:17:56,955 INFO L87 Difference]: Start difference. First operand 64 states and 72 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 04:17:59,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:18:01,013 WARN L539 Checker$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 04:18:02,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:18:04,896 WARN L539 Checker$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 04:18:06,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:18:08,904 WARN L539 Checker$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 04:18:10,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:18:12,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:18:12,509 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2023-11-19 04:18:12,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:18:12,514 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 04:18:12,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:18:12,515 INFO L225 Difference]: With dead ends: 84 [2023-11-19 04:18:12,516 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 04:18:12,516 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 04:18:12,518 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 19 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2023-11-19 04:18:12,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 146 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 5 Unknown, 0 Unchecked, 15.5s Time] [2023-11-19 04:18:12,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 04:18:12,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 66. [2023-11-19 04:18:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 61 states have (on average 1.1147540983606556) internal successors, (68), 61 states have internal predecessors, (68), 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 04:18:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2023-11-19 04:18:12,531 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 9 [2023-11-19 04:18:12,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:18:12,531 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2023-11-19 04:18:12,532 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 04:18:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2023-11-19 04:18:12,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:18:12,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:12,534 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 04:18:12,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:18:12,535 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:12,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:12,536 INFO L85 PathProgramCache]: Analyzing trace with hash 976318600, now seen corresponding path program 1 times [2023-11-19 04:18:12,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:18:12,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803736898] [2023-11-19 04:18:12,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:12,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:18:12,637 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:18:12,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [548181980] [2023-11-19 04:18:12,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:12,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:18:12,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:18:12,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:18:12,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:18:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:18:13,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:18:13,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:18:13,155 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 04:18:13,155 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:18:13,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:18:13,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803736898] [2023-11-19 04:18:13,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:18:13,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548181980] [2023-11-19 04:18:13,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548181980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:18:13,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:18:13,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:18:13,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861549563] [2023-11-19 04:18:13,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:18:13,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:18:13,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:18:13,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:18:13,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:18:13,161 INFO L87 Difference]: Start difference. First operand 66 states and 74 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 04:18:15,197 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 04:18:17,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:18:19,327 WARN L539 Checker$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 04:18:21,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:18:23,357 WARN L539 Checker$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 04:18:24,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:18:24,342 INFO L93 Difference]: Finished difference Result 133 states and 150 transitions. [2023-11-19 04:18:24,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:18:24,347 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 04:18:24,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:18:24,349 INFO L225 Difference]: With dead ends: 133 [2023-11-19 04:18:24,349 INFO L226 Difference]: Without dead ends: 61 [2023-11-19 04:18:24,350 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 04:18:24,351 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 8 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:18:24,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 94 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 11.2s Time] [2023-11-19 04:18:24,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-19 04:18:24,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-19 04:18:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 56 states have internal predecessors, (60), 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 04:18:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2023-11-19 04:18:24,364 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 37 [2023-11-19 04:18:24,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:18:24,365 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2023-11-19 04:18:24,365 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 04:18:24,366 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2023-11-19 04:18:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:18:24,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:24,368 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 04:18:24,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 04:18:24,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:18:24,576 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:24,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:24,577 INFO L85 PathProgramCache]: Analyzing trace with hash -2049135836, now seen corresponding path program 1 times [2023-11-19 04:18:24,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:18:24,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777460102] [2023-11-19 04:18:24,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:24,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:18:24,720 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:18:24,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781238496] [2023-11-19 04:18:24,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:24,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:18:24,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:18:24,732 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:18:24,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 04:18:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:18:25,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:18:25,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:18:25,347 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 04:18:25,371 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 04:18:25,371 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:18:25,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:18:25,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777460102] [2023-11-19 04:18:25,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:18:25,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781238496] [2023-11-19 04:18:25,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781238496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:18:25,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:18:25,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:18:25,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132306174] [2023-11-19 04:18:25,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:18:25,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:18:25,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:18:25,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:18:25,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:18:25,377 INFO L87 Difference]: Start difference. First operand 61 states and 66 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 04:18:27,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:18:29,428 WARN L539 Checker$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 04:18:31,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:18:31,446 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2023-11-19 04:18:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:18:31,452 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 04:18:31,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:18:31,453 INFO L225 Difference]: With dead ends: 61 [2023-11-19 04:18:31,453 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:18:31,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 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 04:18:31,455 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 11 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:18:31,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 121 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2023-11-19 04:18:31,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:18:31,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:18:31,457 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 04:18:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:18:31,457 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2023-11-19 04:18:31,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:18:31,458 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:18:31,458 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 04:18:31,458 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:18:31,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:18:31,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-19 04:18:31,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-19 04:18:31,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:18:31,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:18:31,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:18:31,771 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:18:31,771 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 04:18:31,772 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 04:18:31,772 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 734) no Hoare annotation was computed. [2023-11-19 04:18:31,772 INFO L899 garLoopResultBuilder]: For program point L715-1(lines 715 723) no Hoare annotation was computed. [2023-11-19 04:18:31,773 INFO L899 garLoopResultBuilder]: For program point L715-3(lines 715 723) no Hoare annotation was computed. [2023-11-19 04:18:31,773 INFO L902 garLoopResultBuilder]: At program point L715-4(lines 715 723) the Hoare annotation is: true [2023-11-19 04:18:31,774 INFO L899 garLoopResultBuilder]: For program point L715-5(lines 715 723) no Hoare annotation was computed. [2023-11-19 04:18:31,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:18:31,780 INFO L899 garLoopResultBuilder]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2023-11-19 04:18:31,780 INFO L899 garLoopResultBuilder]: For program point L724-3(lines 724 732) no Hoare annotation was computed. [2023-11-19 04:18:31,781 INFO L895 garLoopResultBuilder]: At program point L724-4(lines 724 732) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-19 04:18:31,782 INFO L899 garLoopResultBuilder]: For program point L724-5(lines 724 732) no Hoare annotation was computed. [2023-11-19 04:18:31,782 INFO L899 garLoopResultBuilder]: For program point L722-68(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,782 INFO L902 garLoopResultBuilder]: At program point L722-69(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,782 INFO L899 garLoopResultBuilder]: For program point L722-70(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,782 INFO L902 garLoopResultBuilder]: At program point L722-71(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,783 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 730) no Hoare annotation was computed. [2023-11-19 04:18:31,788 INFO L899 garLoopResultBuilder]: For program point L727-3(line 727) no Hoare annotation was computed. [2023-11-19 04:18:31,788 INFO L899 garLoopResultBuilder]: For program point L725-68(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,789 INFO L902 garLoopResultBuilder]: At program point L725-69(line 725) the Hoare annotation is: true [2023-11-19 04:18:31,789 INFO L899 garLoopResultBuilder]: For program point L725-70(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,789 INFO L899 garLoopResultBuilder]: For program point L727-8(line 727) no Hoare annotation was computed. [2023-11-19 04:18:31,789 INFO L902 garLoopResultBuilder]: At program point L725-71(line 725) the Hoare annotation is: true [2023-11-19 04:18:31,789 INFO L899 garLoopResultBuilder]: For program point L727-11(line 727) no Hoare annotation was computed. [2023-11-19 04:18:31,790 INFO L895 garLoopResultBuilder]: At program point L727-12(line 727) the Hoare annotation is: false [2023-11-19 04:18:31,790 INFO L899 garLoopResultBuilder]: For program point L727-13(line 727) no Hoare annotation was computed. [2023-11-19 04:18:31,790 INFO L899 garLoopResultBuilder]: For program point L722-170(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,790 INFO L902 garLoopResultBuilder]: At program point L722-171(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,790 INFO L899 garLoopResultBuilder]: For program point L722-172(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,791 INFO L899 garLoopResultBuilder]: For program point L722-173(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,791 INFO L902 garLoopResultBuilder]: At program point L722-174(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,791 INFO L899 garLoopResultBuilder]: For program point L722-175(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,792 INFO L902 garLoopResultBuilder]: At program point L722-176(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,793 INFO L899 garLoopResultBuilder]: For program point L727-22(line 727) no Hoare annotation was computed. [2023-11-19 04:18:31,796 INFO L899 garLoopResultBuilder]: For program point L722-178(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,796 INFO L895 garLoopResultBuilder]: At program point L727-23(line 727) the Hoare annotation is: false [2023-11-19 04:18:31,796 INFO L899 garLoopResultBuilder]: For program point L722-180(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,796 INFO L895 garLoopResultBuilder]: At program point L722-182(line 722) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 04:18:31,797 INFO L899 garLoopResultBuilder]: For program point L722-183(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,797 INFO L899 garLoopResultBuilder]: For program point L722-184(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,797 INFO L895 garLoopResultBuilder]: At program point L722-186(line 722) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 04:18:31,797 INFO L899 garLoopResultBuilder]: For program point L722-187(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,798 INFO L899 garLoopResultBuilder]: For program point L722-188(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,798 INFO L895 garLoopResultBuilder]: At program point L722-189(line 722) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 04:18:31,798 INFO L899 garLoopResultBuilder]: For program point L727-34(line 727) no Hoare annotation was computed. [2023-11-19 04:18:31,798 INFO L899 garLoopResultBuilder]: For program point L722-190(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,798 INFO L895 garLoopResultBuilder]: At program point L727-35(line 727) the Hoare annotation is: false [2023-11-19 04:18:31,799 INFO L899 garLoopResultBuilder]: For program point L727-36(line 727) no Hoare annotation was computed. [2023-11-19 04:18:31,799 INFO L899 garLoopResultBuilder]: For program point L727-37(line 727) no Hoare annotation was computed. [2023-11-19 04:18:31,799 INFO L899 garLoopResultBuilder]: For program point L722-193(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,799 INFO L899 garLoopResultBuilder]: For program point L727-38(line 727) no Hoare annotation was computed. [2023-11-19 04:18:31,799 INFO L895 garLoopResultBuilder]: At program point L722-194(line 722) the Hoare annotation is: false [2023-11-19 04:18:31,800 INFO L895 garLoopResultBuilder]: At program point L727-39(line 727) the Hoare annotation is: false [2023-11-19 04:18:31,800 INFO L899 garLoopResultBuilder]: For program point L727-40(line 727) no Hoare annotation was computed. [2023-11-19 04:18:31,800 INFO L899 garLoopResultBuilder]: For program point L722-202(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,800 INFO L902 garLoopResultBuilder]: At program point L722-203(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,800 INFO L899 garLoopResultBuilder]: For program point L722-210(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,801 INFO L899 garLoopResultBuilder]: For program point L722-212(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,801 INFO L902 garLoopResultBuilder]: At program point L722-214(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,801 INFO L899 garLoopResultBuilder]: For program point L722-215(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,801 INFO L899 garLoopResultBuilder]: For program point L722-225(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,801 INFO L899 garLoopResultBuilder]: For program point L722-235(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,802 INFO L902 garLoopResultBuilder]: At program point L722-236(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,802 INFO L899 garLoopResultBuilder]: For program point L722-237(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,802 INFO L902 garLoopResultBuilder]: At program point L722-246(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,802 INFO L902 garLoopResultBuilder]: At program point L722-248(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,803 INFO L899 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2023-11-19 04:18:31,803 INFO L899 garLoopResultBuilder]: For program point L722-249(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,803 INFO L899 garLoopResultBuilder]: For program point L722-255(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,803 INFO L899 garLoopResultBuilder]: For program point L722-256(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,803 INFO L902 garLoopResultBuilder]: At program point L722-257(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,804 INFO L899 garLoopResultBuilder]: For program point L722-259(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,804 INFO L899 garLoopResultBuilder]: For program point L722-260(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,804 INFO L902 garLoopResultBuilder]: At program point L722-261(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,804 INFO L899 garLoopResultBuilder]: For program point L722-262(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,804 INFO L899 garLoopResultBuilder]: For program point L722-263(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,804 INFO L899 garLoopResultBuilder]: For program point L725-170(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,805 INFO L902 garLoopResultBuilder]: At program point L722-264(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,805 INFO L902 garLoopResultBuilder]: At program point L725-171(line 725) the Hoare annotation is: true [2023-11-19 04:18:31,805 INFO L899 garLoopResultBuilder]: For program point L722-265(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,805 INFO L899 garLoopResultBuilder]: For program point L725-172(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,806 INFO L895 garLoopResultBuilder]: At program point L722-266(line 722) 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 04:18:31,808 INFO L899 garLoopResultBuilder]: For program point L725-173(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,808 INFO L899 garLoopResultBuilder]: For program point L722-267(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,808 INFO L902 garLoopResultBuilder]: At program point L725-174(line 725) the Hoare annotation is: true [2023-11-19 04:18:31,809 INFO L899 garLoopResultBuilder]: For program point L722-268(line 722) no Hoare annotation was computed. [2023-11-19 04:18:31,809 INFO L899 garLoopResultBuilder]: For program point L725-175(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,809 INFO L902 garLoopResultBuilder]: At program point L722-269(line 722) the Hoare annotation is: true [2023-11-19 04:18:31,809 INFO L902 garLoopResultBuilder]: At program point L725-176(line 725) the Hoare annotation is: true [2023-11-19 04:18:31,809 INFO L899 garLoopResultBuilder]: For program point L725-178(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,811 INFO L899 garLoopResultBuilder]: For program point L725-185(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,811 INFO L895 garLoopResultBuilder]: At program point L725-186(line 725) the Hoare annotation is: false [2023-11-19 04:18:31,812 INFO L899 garLoopResultBuilder]: For program point L725-187(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,812 INFO L899 garLoopResultBuilder]: For program point L725-188(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,812 INFO L899 garLoopResultBuilder]: For program point L725-190(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,812 INFO L895 garLoopResultBuilder]: At program point L725-191(line 725) the Hoare annotation is: false [2023-11-19 04:18:31,812 INFO L899 garLoopResultBuilder]: For program point L725-197(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,813 INFO L899 garLoopResultBuilder]: For program point L725-198(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,813 INFO L899 garLoopResultBuilder]: For program point L725-201(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,813 INFO L899 garLoopResultBuilder]: For program point L725-202(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,813 INFO L899 garLoopResultBuilder]: For program point L725-204(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,813 INFO L895 garLoopResultBuilder]: At program point L725-205(line 725) the Hoare annotation is: false [2023-11-19 04:18:31,814 INFO L895 garLoopResultBuilder]: At program point L725-207(line 725) the Hoare annotation is: false [2023-11-19 04:18:31,814 INFO L899 garLoopResultBuilder]: For program point L725-208(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,814 INFO L895 garLoopResultBuilder]: At program point L725-209(line 725) the Hoare annotation is: false [2023-11-19 04:18:31,814 INFO L899 garLoopResultBuilder]: For program point L725-211(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,814 INFO L899 garLoopResultBuilder]: For program point L725-213(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,815 INFO L895 garLoopResultBuilder]: At program point L725-214(line 725) the Hoare annotation is: false [2023-11-19 04:18:31,815 INFO L899 garLoopResultBuilder]: For program point L725-215(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,815 INFO L899 garLoopResultBuilder]: For program point L725-216(line 725) no Hoare annotation was computed. [2023-11-19 04:18:31,815 INFO L902 garLoopResultBuilder]: At program point L725-217(line 725) the Hoare annotation is: true [2023-11-19 04:18:31,815 INFO L899 garLoopResultBuilder]: For program point L725-218(lines 724 732) no Hoare annotation was computed. [2023-11-19 04:18:31,816 INFO L895 garLoopResultBuilder]: At program point L733-3(lines 733 735) the Hoare annotation is: false [2023-11-19 04:18:31,816 INFO L899 garLoopResultBuilder]: For program point L734(line 734) no Hoare annotation was computed. [2023-11-19 04:18:31,816 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:18:31,821 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 04:18:31,824 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:18:31,845 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 04:18:31,847 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 04:18:31,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:18:31 BoogieIcfgContainer [2023-11-19 04:18:31,849 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:18:31,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:18:31,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:18:31,851 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:18:31,852 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:47" (3/4) ... [2023-11-19 04:18:31,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:18:31,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 04:18:31,900 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 205 nodes and edges [2023-11-19 04:18:31,904 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2023-11-19 04:18:31,907 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 04:18:31,909 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 04:18:32,170 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:18:32,170 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:18:32,171 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:18:32,172 INFO L158 Benchmark]: Toolchain (without parser) took 50421.94ms. Allocated memory was 169.9MB in the beginning and 257.9MB in the end (delta: 88.1MB). Free memory was 121.8MB in the beginning and 106.8MB in the end (delta: 15.0MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2023-11-19 04:18:32,175 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 121.6MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:18:32,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1102.25ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 134.0MB in the end (delta: -12.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-11-19 04:18:32,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.97ms. Allocated memory is still 169.9MB. Free memory was 134.0MB in the beginning and 125.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:18:32,177 INFO L158 Benchmark]: Boogie Preprocessor took 145.11ms. Allocated memory is still 169.9MB. Free memory was 125.5MB in the beginning and 116.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:18:32,178 INFO L158 Benchmark]: RCFGBuilder took 4243.65ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 116.9MB in the beginning and 92.0MB in the end (delta: 24.8MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2023-11-19 04:18:32,179 INFO L158 Benchmark]: TraceAbstraction took 44445.98ms. Allocated memory was 205.5MB in the beginning and 257.9MB in the end (delta: 52.4MB). Free memory was 91.0MB in the beginning and 121.5MB in the end (delta: -30.5MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-19 04:18:32,179 INFO L158 Benchmark]: Witness Printer took 320.53ms. Allocated memory is still 257.9MB. Free memory was 121.5MB in the beginning and 106.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:18:32,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 121.6MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1102.25ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 134.0MB in the end (delta: -12.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.97ms. Allocated memory is still 169.9MB. Free memory was 134.0MB in the beginning and 125.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.11ms. Allocated memory is still 169.9MB. Free memory was 125.5MB in the beginning and 116.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4243.65ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 116.9MB in the beginning and 92.0MB in the end (delta: 24.8MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. * TraceAbstraction took 44445.98ms. Allocated memory was 205.5MB in the beginning and 257.9MB in the end (delta: 52.4MB). Free memory was 91.0MB in the beginning and 121.5MB in the end (delta: -30.5MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Witness Printer took 320.53ms. Allocated memory is still 257.9MB. Free memory was 121.5MB in the beginning and 106.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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, 116 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 44.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 41.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 41.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 427 SdHoareTripleChecker+Invalid, 41.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 205 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 222 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 56 PreInvPairs, 89 NumberOfFragments, 77 HoareAnnotationTreeSize, 56 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s 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: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - 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: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - 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: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - 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: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - 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: null - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-19 04:18:32,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b2bee4-4367-4fd3-88e0-1e3c3dff39a6/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