./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/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_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/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_f8567140-41e9-458f-9244-045228d0e7ef/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 ad1cff32d745d4f106cd2272d34984c4724156cea3537acaf98384a0b708b01e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:39,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:39,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:16:39,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:39,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:39,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:39,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:39,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:39,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:39,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:39,745 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:39,746 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:39,749 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:39,754 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:16:39,754 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:39,755 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:39,756 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:16:39,757 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:16:39,757 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:39,758 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:16:39,758 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:16:39,759 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:16:39,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:39,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:39,761 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:39,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:16:39,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:39,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:39,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:39,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:39,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:39,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:39,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:39,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:39,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:39,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:39,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:39,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:39,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:39,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:39,767 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:16:39,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:16:39,767 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:39,767 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:39,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:39,768 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_f8567140-41e9-458f-9244-045228d0e7ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad1cff32d745d4f106cd2272d34984c4724156cea3537acaf98384a0b708b01e [2023-11-19 05:16:40,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:40,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:40,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:40,185 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:40,185 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:40,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-2.i [2023-11-19 05:16:43,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:43,952 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:43,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-2.i [2023-11-19 05:16:43,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/data/6f14abb45/0fb76032d3694369ba7201b89d2a62e2/FLAGdae321b38 [2023-11-19 05:16:44,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/data/6f14abb45/0fb76032d3694369ba7201b89d2a62e2 [2023-11-19 05:16:44,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:44,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:44,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:44,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:44,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:44,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:44,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dddedc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:44, skipping insertion in model container [2023-11-19 05:16:44,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:44" (1/1) ... [2023-11-19 05:16:44,144 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:44,506 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:16:44,722 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_f8567140-41e9-458f-9244-045228d0e7ef/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-2.i[33510,33523] [2023-11-19 05:16:44,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:44,985 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:45,014 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:16:45,048 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_f8567140-41e9-458f-9244-045228d0e7ef/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-2.i[33510,33523] [2023-11-19 05:16:45,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:45,317 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:16:45,327 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:45,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45 WrapperNode [2023-11-19 05:16:45,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:45,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:45,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:45,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:45,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (1/1) ... [2023-11-19 05:16:45,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (1/1) ... [2023-11-19 05:16:45,537 INFO L138 Inliner]: procedures = 178, calls = 391, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1622 [2023-11-19 05:16:45,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:45,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:45,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:45,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:45,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (1/1) ... [2023-11-19 05:16:45,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (1/1) ... [2023-11-19 05:16:45,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (1/1) ... [2023-11-19 05:16:45,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (1/1) ... [2023-11-19 05:16:45,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (1/1) ... [2023-11-19 05:16:45,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (1/1) ... [2023-11-19 05:16:45,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (1/1) ... [2023-11-19 05:16:45,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (1/1) ... [2023-11-19 05:16:45,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:45,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:45,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:45,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:45,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (1/1) ... [2023-11-19 05:16:45,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:45,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:45,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:45,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:16:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:16:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:16:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:16:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:16:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:16:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:16:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:16:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:16:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:16:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:46,183 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:46,186 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:48,588 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:50,739 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:50,739 INFO L302 CfgBuilder]: Removed 69 assume(true) statements. [2023-11-19 05:16:50,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:50 BoogieIcfgContainer [2023-11-19 05:16:50,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:50,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:50,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:50,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:50,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:44" (1/3) ... [2023-11-19 05:16:50,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d03d30d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:50, skipping insertion in model container [2023-11-19 05:16:50,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:45" (2/3) ... [2023-11-19 05:16:50,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d03d30d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:50, skipping insertion in model container [2023-11-19 05:16:50,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:50" (3/3) ... [2023-11-19 05:16:50,764 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test4-2.i [2023-11-19 05:16:50,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:50,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:16:50,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:50,873 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;@daf89cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:50,874 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:16:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 120 states have (on average 1.725) internal successors, (207), 121 states have internal predecessors, (207), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 05:16:50,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 05:16:50,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:50,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 05:16:50,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:50,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:50,897 INFO L85 PathProgramCache]: Analyzing trace with hash 231301029, now seen corresponding path program 1 times [2023-11-19 05:16:50,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:50,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551100385] [2023-11-19 05:16:50,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:50,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:16:51,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:16:51,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551100385] [2023-11-19 05:16:51,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551100385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:16:51,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:16:51,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:16:51,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314100170] [2023-11-19 05:16:51,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:16:51,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:16:51,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:16:51,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:16:51,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:16:51,362 INFO L87 Difference]: Start difference. First operand has 129 states, 120 states have (on average 1.725) internal successors, (207), 121 states have internal predecessors, (207), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:16:53,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:55,510 WARN L539 Checker$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 05:16:57,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:59,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:01,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:03,948 WARN L539 Checker$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 05:17:05,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:08,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:10,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:12,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:14,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:16,192 WARN L539 Checker$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 05:17:18,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:20,315 WARN L539 Checker$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 05:17:22,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:24,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:26,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:28,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:30,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:17:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:30,809 INFO L93 Difference]: Finished difference Result 335 states and 575 transitions. [2023-11-19 05:17:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:17:30,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-19 05:17:30,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:30,826 INFO L225 Difference]: With dead ends: 335 [2023-11-19 05:17:30,826 INFO L226 Difference]: Without dead ends: 172 [2023-11-19 05:17:30,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:17:30,833 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 92 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:30,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 298 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 15 Unknown, 0 Unchecked, 39.3s Time] [2023-11-19 05:17:30,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-19 05:17:30,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 171. [2023-11-19 05:17:30,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 160 states have (on average 1.1125) internal successors, (178), 160 states have internal predecessors, (178), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:17:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 196 transitions. [2023-11-19 05:17:30,916 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 196 transitions. Word has length 6 [2023-11-19 05:17:30,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:30,916 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 196 transitions. [2023-11-19 05:17:30,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:17:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 196 transitions. [2023-11-19 05:17:30,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 05:17:30,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:30,922 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:30,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:17:30,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:30,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:30,924 INFO L85 PathProgramCache]: Analyzing trace with hash -61023662, now seen corresponding path program 1 times [2023-11-19 05:17:30,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:17:30,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481730059] [2023-11-19 05:17:30,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:30,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:17:31,124 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:17:31,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [188822987] [2023-11-19 05:17:31,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:31,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:17:31,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:31,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:17:31,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:17:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:31,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:17:31,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 05:17:31,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:31,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:17:31,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481730059] [2023-11-19 05:17:31,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:17:31,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188822987] [2023-11-19 05:17:31,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188822987] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:31,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:31,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:17:31,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839332857] [2023-11-19 05:17:31,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:31,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:17:31,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:17:32,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:17:32,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:32,001 INFO L87 Difference]: Start difference. First operand 171 states and 196 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:17:34,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:34,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:34,039 INFO L93 Difference]: Finished difference Result 171 states and 196 transitions. [2023-11-19 05:17:34,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:17:34,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 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 71 [2023-11-19 05:17:34,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:34,045 INFO L225 Difference]: With dead ends: 171 [2023-11-19 05:17:34,046 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:17:34,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:34,049 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:34,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-19 05:17:34,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:17:34,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:17:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:17:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:17:34,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2023-11-19 05:17:34,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:34,052 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:17:34,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:17:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:17:34,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:17:34,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:17:34,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:34,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:17:34,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:17:34,433 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:17:34,434 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 05:17:34,434 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 05:17:34,434 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 733 758) no Hoare annotation was computed. [2023-11-19 05:17:34,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:17:34,435 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2023-11-19 05:17:34,435 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 725) no Hoare annotation was computed. [2023-11-19 05:17:34,435 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-19 05:17:34,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 724) no Hoare annotation was computed. [2023-11-19 05:17:34,435 INFO L899 garLoopResultBuilder]: For program point L738(line 738) no Hoare annotation was computed. [2023-11-19 05:17:34,436 INFO L899 garLoopResultBuilder]: For program point L739-2(lines 739 748) no Hoare annotation was computed. [2023-11-19 05:17:34,436 INFO L895 garLoopResultBuilder]: At program point L739-3(lines 739 748) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-19 05:17:34,437 INFO L899 garLoopResultBuilder]: For program point L746-68(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,437 INFO L895 garLoopResultBuilder]: At program point L746-69(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-19 05:17:34,437 INFO L899 garLoopResultBuilder]: For program point L746-70(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,437 INFO L895 garLoopResultBuilder]: At program point L746-71(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-19 05:17:34,438 INFO L895 garLoopResultBuilder]: At program point L749-3(lines 749 751) the Hoare annotation is: (and (= |ULTIMATE.start_main_~user~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (= |ULTIMATE.start_main_~user~0#1.offset| 0)) [2023-11-19 05:17:34,438 INFO L899 garLoopResultBuilder]: For program point L747-67(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,438 INFO L895 garLoopResultBuilder]: At program point L747-68(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,438 INFO L899 garLoopResultBuilder]: For program point L747-69(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,439 INFO L895 garLoopResultBuilder]: At program point L747-70(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,439 INFO L899 garLoopResultBuilder]: For program point L746-170(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,439 INFO L895 garLoopResultBuilder]: At program point L746-171(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-19 05:17:34,439 INFO L899 garLoopResultBuilder]: For program point L746-172(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,440 INFO L899 garLoopResultBuilder]: For program point L746-173(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,440 INFO L895 garLoopResultBuilder]: At program point L746-174(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-19 05:17:34,440 INFO L899 garLoopResultBuilder]: For program point L746-175(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,440 INFO L895 garLoopResultBuilder]: At program point L746-176(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-19 05:17:34,441 INFO L899 garLoopResultBuilder]: For program point L746-178(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,441 INFO L899 garLoopResultBuilder]: For program point L746-180(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,441 INFO L895 garLoopResultBuilder]: At program point L746-182(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,441 INFO L899 garLoopResultBuilder]: For program point L746-183(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,442 INFO L899 garLoopResultBuilder]: For program point L746-184(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,442 INFO L895 garLoopResultBuilder]: At program point L746-186(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,442 INFO L899 garLoopResultBuilder]: For program point L746-187(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,442 INFO L899 garLoopResultBuilder]: For program point L746-188(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,442 INFO L895 garLoopResultBuilder]: At program point L746-189(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,443 INFO L899 garLoopResultBuilder]: For program point L746-190(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,443 INFO L899 garLoopResultBuilder]: For program point L746-193(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,443 INFO L895 garLoopResultBuilder]: At program point L746-194(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,443 INFO L899 garLoopResultBuilder]: For program point L747-169(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,444 INFO L895 garLoopResultBuilder]: At program point L747-170(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,444 INFO L899 garLoopResultBuilder]: For program point L746-202(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,444 INFO L899 garLoopResultBuilder]: For program point L747-171(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,444 INFO L895 garLoopResultBuilder]: At program point L746-203(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,444 INFO L899 garLoopResultBuilder]: For program point L747-172(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,445 INFO L895 garLoopResultBuilder]: At program point L747-173(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,445 INFO L899 garLoopResultBuilder]: For program point L747-174(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,445 INFO L895 garLoopResultBuilder]: At program point L747-175(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,445 INFO L899 garLoopResultBuilder]: For program point L747-177(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,445 INFO L899 garLoopResultBuilder]: For program point L746-210(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,446 INFO L899 garLoopResultBuilder]: For program point L747-179(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,446 INFO L899 garLoopResultBuilder]: For program point L746-212(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,446 INFO L895 garLoopResultBuilder]: At program point L747-181(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,446 INFO L899 garLoopResultBuilder]: For program point L747-182(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,446 INFO L895 garLoopResultBuilder]: At program point L746-214(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,447 INFO L899 garLoopResultBuilder]: For program point L747-183(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,447 INFO L899 garLoopResultBuilder]: For program point L746-215(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,447 INFO L895 garLoopResultBuilder]: At program point L747-185(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,447 INFO L899 garLoopResultBuilder]: For program point L747-186(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,447 INFO L899 garLoopResultBuilder]: For program point L747-187(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,448 INFO L895 garLoopResultBuilder]: At program point L747-188(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,448 INFO L899 garLoopResultBuilder]: For program point L747-189(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,448 INFO L899 garLoopResultBuilder]: For program point L747-192(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,448 INFO L895 garLoopResultBuilder]: At program point L747-193(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,449 INFO L899 garLoopResultBuilder]: For program point L746-225(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,449 INFO L902 garLoopResultBuilder]: At program point L753-9(lines 753 756) the Hoare annotation is: true [2023-11-19 05:17:34,449 INFO L899 garLoopResultBuilder]: For program point L747-201(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,449 INFO L895 garLoopResultBuilder]: At program point L747-202(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,449 INFO L899 garLoopResultBuilder]: For program point L746-235(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,450 INFO L895 garLoopResultBuilder]: At program point L746-236(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,450 INFO L899 garLoopResultBuilder]: For program point L746-237(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,450 INFO L899 garLoopResultBuilder]: For program point L747-209(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,450 INFO L899 garLoopResultBuilder]: For program point L747-211(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,451 INFO L895 garLoopResultBuilder]: At program point L747-213(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,451 INFO L899 garLoopResultBuilder]: For program point L747-214(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,451 INFO L895 garLoopResultBuilder]: At program point L746-246(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,451 INFO L895 garLoopResultBuilder]: At program point L746-248(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,451 INFO L899 garLoopResultBuilder]: For program point L746-249(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,452 INFO L899 garLoopResultBuilder]: For program point L754-3(line 754) no Hoare annotation was computed. [2023-11-19 05:17:34,452 INFO L899 garLoopResultBuilder]: For program point L746-255(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,452 INFO L899 garLoopResultBuilder]: For program point L747-224(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,452 INFO L899 garLoopResultBuilder]: For program point L746-256(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,452 INFO L899 garLoopResultBuilder]: For program point L754-8(line 754) no Hoare annotation was computed. [2023-11-19 05:17:34,453 INFO L895 garLoopResultBuilder]: At program point L746-257(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,453 INFO L899 garLoopResultBuilder]: For program point L746-259(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,453 INFO L899 garLoopResultBuilder]: For program point L754-11(line 754) no Hoare annotation was computed. [2023-11-19 05:17:34,453 INFO L899 garLoopResultBuilder]: For program point L746-260(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,454 INFO L902 garLoopResultBuilder]: At program point L754-12(line 754) the Hoare annotation is: true [2023-11-19 05:17:34,454 INFO L895 garLoopResultBuilder]: At program point L746-261(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,454 INFO L899 garLoopResultBuilder]: For program point L754-13(line 754) no Hoare annotation was computed. [2023-11-19 05:17:34,454 INFO L899 garLoopResultBuilder]: For program point L746-262(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,454 INFO L899 garLoopResultBuilder]: For program point L746-263(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,455 INFO L895 garLoopResultBuilder]: At program point L746-264(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,455 INFO L899 garLoopResultBuilder]: For program point L746-265(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,455 INFO L899 garLoopResultBuilder]: For program point L747-234(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,455 INFO L895 garLoopResultBuilder]: At program point L746-266(line 746) the Hoare annotation is: false [2023-11-19 05:17:34,455 INFO L895 garLoopResultBuilder]: At program point L747-235(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,456 INFO L899 garLoopResultBuilder]: For program point L746-267(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,456 INFO L899 garLoopResultBuilder]: For program point L747-236(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,456 INFO L899 garLoopResultBuilder]: For program point L746-268(line 746) no Hoare annotation was computed. [2023-11-19 05:17:34,456 INFO L895 garLoopResultBuilder]: At program point L746-269(line 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) [2023-11-19 05:17:34,457 INFO L899 garLoopResultBuilder]: For program point L754-22(line 754) no Hoare annotation was computed. [2023-11-19 05:17:34,457 INFO L902 garLoopResultBuilder]: At program point L754-23(line 754) the Hoare annotation is: true [2023-11-19 05:17:34,457 INFO L895 garLoopResultBuilder]: At program point L747-245(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,457 INFO L895 garLoopResultBuilder]: At program point L747-247(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,457 INFO L899 garLoopResultBuilder]: For program point L747-248(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,458 INFO L899 garLoopResultBuilder]: For program point L754-34(line 754) no Hoare annotation was computed. [2023-11-19 05:17:34,458 INFO L902 garLoopResultBuilder]: At program point L754-35(line 754) the Hoare annotation is: true [2023-11-19 05:17:34,458 INFO L899 garLoopResultBuilder]: For program point L754-36(line 754) no Hoare annotation was computed. [2023-11-19 05:17:34,458 INFO L899 garLoopResultBuilder]: For program point L747-254(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,458 INFO L899 garLoopResultBuilder]: For program point L754-37(line 754) no Hoare annotation was computed. [2023-11-19 05:17:34,459 INFO L899 garLoopResultBuilder]: For program point L747-255(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,462 INFO L899 garLoopResultBuilder]: For program point L754-38(line 754) no Hoare annotation was computed. [2023-11-19 05:17:34,462 INFO L895 garLoopResultBuilder]: At program point L747-256(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,463 INFO L902 garLoopResultBuilder]: At program point L754-39(line 754) the Hoare annotation is: true [2023-11-19 05:17:34,463 INFO L899 garLoopResultBuilder]: For program point L754-40(line 754) no Hoare annotation was computed. [2023-11-19 05:17:34,464 INFO L899 garLoopResultBuilder]: For program point L747-258(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,464 INFO L899 garLoopResultBuilder]: For program point L747-259(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,466 INFO L895 garLoopResultBuilder]: At program point L747-260(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,466 INFO L899 garLoopResultBuilder]: For program point L747-261(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,466 INFO L899 garLoopResultBuilder]: For program point L747-262(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,472 INFO L895 garLoopResultBuilder]: At program point L747-263(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,473 INFO L899 garLoopResultBuilder]: For program point L747-264(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,473 INFO L895 garLoopResultBuilder]: At program point L747-265(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,473 INFO L899 garLoopResultBuilder]: For program point L747-266(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,473 INFO L899 garLoopResultBuilder]: For program point L747-267(line 747) no Hoare annotation was computed. [2023-11-19 05:17:34,474 INFO L895 garLoopResultBuilder]: At program point L747-268(line 747) the Hoare annotation is: false [2023-11-19 05:17:34,474 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:17:34,477 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:17:34,480 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:17:34,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:17:34 BoogieIcfgContainer [2023-11-19 05:17:34,505 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:17:34,506 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:17:34,506 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:17:34,507 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:17:34,507 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:50" (3/4) ... [2023-11-19 05:17:34,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:17:34,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 05:17:34,553 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 147 nodes and edges [2023-11-19 05:17:34,555 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 05:17:34,557 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 05:17:34,559 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:17:34,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:17:34,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:17:34,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:17:34,798 INFO L158 Benchmark]: Toolchain (without parser) took 50774.89ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 118.6MB in the beginning and 160.5MB in the end (delta: -41.9MB). Peak memory consumption was 139.9MB. Max. memory is 16.1GB. [2023-11-19 05:17:34,798 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:17:34,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1299.46ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 113.8MB in the end (delta: 4.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 05:17:34,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 208.59ms. Allocated memory is still 153.1MB. Free memory was 113.8MB in the beginning and 103.4MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:17:34,800 INFO L158 Benchmark]: Boogie Preprocessor took 226.83ms. Allocated memory is still 153.1MB. Free memory was 103.4MB in the beginning and 92.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:17:34,800 INFO L158 Benchmark]: RCFGBuilder took 4983.43ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 91.9MB in the beginning and 153.8MB in the end (delta: -61.9MB). Peak memory consumption was 101.7MB. Max. memory is 16.1GB. [2023-11-19 05:17:34,801 INFO L158 Benchmark]: TraceAbstraction took 43752.29ms. Allocated memory is still 224.4MB. Free memory was 153.8MB in the beginning and 62.2MB in the end (delta: 91.6MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2023-11-19 05:17:34,801 INFO L158 Benchmark]: Witness Printer took 290.63ms. Allocated memory is still 224.4MB. Free memory was 62.2MB in the beginning and 160.5MB in the end (delta: -98.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-11-19 05:17:34,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1299.46ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 113.8MB in the end (delta: 4.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 208.59ms. Allocated memory is still 153.1MB. Free memory was 113.8MB in the beginning and 103.4MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 226.83ms. Allocated memory is still 153.1MB. Free memory was 103.4MB in the beginning and 92.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4983.43ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 91.9MB in the beginning and 153.8MB in the end (delta: -61.9MB). Peak memory consumption was 101.7MB. Max. memory is 16.1GB. * TraceAbstraction took 43752.29ms. Allocated memory is still 224.4MB. Free memory was 153.8MB in the beginning and 62.2MB in the end (delta: 91.6MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. * Witness Printer took 290.63ms. Allocated memory is still 224.4MB. Free memory was 62.2MB in the beginning and 160.5MB in the end (delta: -98.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 724]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.6s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 41.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 41.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 302 SdHoareTripleChecker+Invalid, 41.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 118 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=1, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 75 PreInvPairs, 93 NumberOfFragments, 137 HoareAnnotationTreeSize, 75 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 47 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 668 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-19 05:17:34,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8567140-41e9-458f-9244-045228d0e7ef/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE