./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0c81340d9d0e66dca5ab126c254e84ac0eff8aac681c837312fa0969b8f7f2ee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:09:48,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:09:48,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:09:48,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:09:48,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:09:48,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:09:48,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:09:48,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:09:48,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:09:48,132 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:09:48,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:09:48,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:09:48,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:09:48,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:09:48,135 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:09:48,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:09:48,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:09:48,136 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:09:48,136 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:09:48,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:09:48,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:09:48,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:09:48,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:09:48,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:09:48,139 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:09:48,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:09:48,140 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:09:48,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:09:48,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:09:48,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:09:48,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:09:48,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:09:48,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:09:48,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:09:48,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:09:48,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:09:48,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:09:48,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:09:48,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:09:48,146 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:09:48,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:09:48,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:09:48,147 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c81340d9d0e66dca5ab126c254e84ac0eff8aac681c837312fa0969b8f7f2ee [2023-11-21 22:09:48,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:09:48,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:09:48,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:09:48,451 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:09:48,452 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:09:48,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2023-11-21 22:09:51,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:09:52,028 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:09:52,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2023-11-21 22:09:52,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/data/d2c7217b0/06140df470a8411087b82f713c8100a1/FLAG12ba96660 [2023-11-21 22:09:52,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/data/d2c7217b0/06140df470a8411087b82f713c8100a1 [2023-11-21 22:09:52,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:09:52,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:09:52,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:52,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:09:52,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:09:52,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:52" (1/1) ... [2023-11-21 22:09:52,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9a91fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:52, skipping insertion in model container [2023-11-21 22:09:52,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:52" (1/1) ... [2023-11-21 22:09:52,186 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:09:52,432 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:09:52,601 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_b5b122e9-0563-4360-be82-5c7340391a54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i[33510,33523] [2023-11-21 22:09:52,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:52,764 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:09:52,801 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:09:52,832 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_b5b122e9-0563-4360-be82-5c7340391a54/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i[33510,33523] [2023-11-21 22:09:52,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:53,013 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:09:53,022 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:09:53,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53 WrapperNode [2023-11-21 22:09:53,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:53,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:53,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:09:53,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:09:53,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,263 INFO L138 Inliner]: procedures = 178, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1770 [2023-11-21 22:09:53,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:53,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:09:53,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:09:53,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:09:53,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,313 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,529 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memset is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:09:53,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:09:53,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:09:53,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:09:53,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:09:53,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (1/1) ... [2023-11-21 22:09:53,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:09:53,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:53,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:53,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:09:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:09:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:09:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:09:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:09:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:09:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:09:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:09:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:09:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:09:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:09:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:09:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:09:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:09:54,117 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:09:54,125 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:09:56,502 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:09:59,100 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:09:59,100 INFO L308 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-21 22:09:59,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:59 BoogieIcfgContainer [2023-11-21 22:09:59,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:09:59,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:09:59,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:09:59,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:09:59,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:09:52" (1/3) ... [2023-11-21 22:09:59,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22026282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:09:59, skipping insertion in model container [2023-11-21 22:09:59,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:53" (2/3) ... [2023-11-21 22:09:59,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22026282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:09:59, skipping insertion in model container [2023-11-21 22:09:59,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:59" (3/3) ... [2023-11-21 22:09:59,119 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test4-3.i [2023-11-21 22:09:59,141 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:09:59,141 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:09:59,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:09:59,219 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=PETRI_NET, 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;@5ae34fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:09:59,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:09:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 133 states have (on average 1.7293233082706767) internal successors, (230), 134 states have internal predecessors, (230), 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) [2023-11-21 22:09:59,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 22:09:59,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:09:59,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:09:59,235 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:09:59,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:59,243 INFO L85 PathProgramCache]: Analyzing trace with hash -911749637, now seen corresponding path program 1 times [2023-11-21 22:09:59,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:59,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234441947] [2023-11-21 22:09:59,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:59,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:59,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:59,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234441947] [2023-11-21 22:09:59,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234441947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:59,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:59,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:09:59,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590462303] [2023-11-21 22:09:59,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:59,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:09:59,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:59,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:09:59,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:09:59,640 INFO L87 Difference]: Start difference. First operand has 142 states, 133 states have (on average 1.7293233082706767) internal successors, (230), 134 states have internal predecessors, (230), 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) [2023-11-21 22:10:02,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:04,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:06,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:08,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:10,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:12,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 22:10:14,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:16,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:18,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:20,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:22,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:24,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:26,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:28,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:29,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:29,899 INFO L93 Difference]: Finished difference Result 368 states and 632 transitions. [2023-11-21 22:10:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:10:29,908 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 [2023-11-21 22:10:29,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:29,917 INFO L225 Difference]: With dead ends: 368 [2023-11-21 22:10:29,917 INFO L226 Difference]: Without dead ends: 108 [2023-11-21 22:10:29,921 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 [2023-11-21 22:10:29,925 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 107 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:29,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 320 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 11 Unknown, 0 Unchecked, 30.1s Time] [2023-11-21 22:10:29,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-21 22:10:29,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-11-21 22:10:29,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 100 states have (on average 1.1) internal successors, (110), 100 states have internal predecessors, (110), 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) [2023-11-21 22:10:29,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2023-11-21 22:10:29,980 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 6 [2023-11-21 22:10:29,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:29,981 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2023-11-21 22:10:29,981 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) [2023-11-21 22:10:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-11-21 22:10:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 22:10:29,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:29,987 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] [2023-11-21 22:10:29,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:10:29,987 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:10:29,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:29,988 INFO L85 PathProgramCache]: Analyzing trace with hash 126818031, now seen corresponding path program 1 times [2023-11-21 22:10:29,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:29,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463596158] [2023-11-21 22:10:29,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:29,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:30,147 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:10:30,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1996313688] [2023-11-21 22:10:30,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:30,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:10:30,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:10:30,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:10:30,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:10:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:30,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:10:30,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:10:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:10:31,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:10:31,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:31,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463596158] [2023-11-21 22:10:31,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:10:31,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996313688] [2023-11-21 22:10:31,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996313688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:31,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:31,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:10:31,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293798401] [2023-11-21 22:10:31,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:31,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:10:31,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:31,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:10:31,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:31,112 INFO L87 Difference]: Start difference. First operand 108 states and 122 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) [2023-11-21 22:10:33,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:35,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:35,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:35,160 INFO L93 Difference]: Finished difference Result 108 states and 122 transitions. [2023-11-21 22:10:35,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:10:35,167 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 [2023-11-21 22:10:35,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:35,169 INFO L225 Difference]: With dead ends: 108 [2023-11-21 22:10:35,169 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:10:35,170 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 [2023-11-21 22:10:35,172 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:35,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2023-11-21 22:10:35,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:10:35,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:10:35,175 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) [2023-11-21 22:10:35,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:10:35,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2023-11-21 22:10:35,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:35,176 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:10:35,177 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) [2023-11-21 22:10:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:10:35,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:10:35,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:10:35,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:10:35,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:10:35,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:10:35,470 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:10:35,473 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 22:10:35,474 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 22:10:35,474 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 733 762) no Hoare annotation was computed. [2023-11-21 22:10:35,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:10:35,475 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2023-11-21 22:10:35,475 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 725) no Hoare annotation was computed. [2023-11-21 22:10:35,475 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-21 22:10:35,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 724) no Hoare annotation was computed. [2023-11-21 22:10:35,477 INFO L899 garLoopResultBuilder]: For program point L738(line 738) no Hoare annotation was computed. [2023-11-21 22:10:35,477 INFO L899 garLoopResultBuilder]: For program point L739-2(lines 739 748) no Hoare annotation was computed. [2023-11-21 22:10:35,478 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)) [2023-11-21 22:10:35,478 INFO L899 garLoopResultBuilder]: For program point L746-68(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,479 INFO L902 garLoopResultBuilder]: At program point L746-69(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,479 INFO L899 garLoopResultBuilder]: For program point L746-70(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,480 INFO L902 garLoopResultBuilder]: At program point L746-71(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,481 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)) [2023-11-21 22:10:35,481 INFO L899 garLoopResultBuilder]: For program point L747-67(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,481 INFO L902 garLoopResultBuilder]: At program point L747-68(line 747) the Hoare annotation is: true [2023-11-21 22:10:35,482 INFO L899 garLoopResultBuilder]: For program point L747-69(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,482 INFO L902 garLoopResultBuilder]: At program point L747-70(line 747) the Hoare annotation is: true [2023-11-21 22:10:35,483 INFO L899 garLoopResultBuilder]: For program point L746-170(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,483 INFO L902 garLoopResultBuilder]: At program point L746-171(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,484 INFO L899 garLoopResultBuilder]: For program point L746-172(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,484 INFO L899 garLoopResultBuilder]: For program point L746-173(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,485 INFO L902 garLoopResultBuilder]: At program point L746-174(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,485 INFO L899 garLoopResultBuilder]: For program point L746-175(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,485 INFO L902 garLoopResultBuilder]: At program point L746-176(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,485 INFO L899 garLoopResultBuilder]: For program point L746-178(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,485 INFO L899 garLoopResultBuilder]: For program point L746-180(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,486 INFO L902 garLoopResultBuilder]: At program point L746-182(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,486 INFO L899 garLoopResultBuilder]: For program point L746-183(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,486 INFO L899 garLoopResultBuilder]: For program point L746-184(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,486 INFO L902 garLoopResultBuilder]: At program point L746-186(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,487 INFO L899 garLoopResultBuilder]: For program point L746-187(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,487 INFO L899 garLoopResultBuilder]: For program point L746-188(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,487 INFO L902 garLoopResultBuilder]: At program point L746-189(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,487 INFO L899 garLoopResultBuilder]: For program point L746-190(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,488 INFO L899 garLoopResultBuilder]: For program point L746-193(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,488 INFO L902 garLoopResultBuilder]: At program point L746-194(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,488 INFO L899 garLoopResultBuilder]: For program point L747-169(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,488 INFO L902 garLoopResultBuilder]: At program point L747-170(line 747) the Hoare annotation is: true [2023-11-21 22:10:35,489 INFO L899 garLoopResultBuilder]: For program point L746-202(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,489 INFO L899 garLoopResultBuilder]: For program point L747-171(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,489 INFO L902 garLoopResultBuilder]: At program point L746-203(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,490 INFO L899 garLoopResultBuilder]: For program point L747-172(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,493 INFO L902 garLoopResultBuilder]: At program point L747-173(line 747) the Hoare annotation is: true [2023-11-21 22:10:35,493 INFO L899 garLoopResultBuilder]: For program point L747-174(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,493 INFO L902 garLoopResultBuilder]: At program point L747-175(line 747) the Hoare annotation is: true [2023-11-21 22:10:35,496 INFO L899 garLoopResultBuilder]: For program point L747-177(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,496 INFO L899 garLoopResultBuilder]: For program point L746-210(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,497 INFO L899 garLoopResultBuilder]: For program point L747-179(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,497 INFO L899 garLoopResultBuilder]: For program point L746-212(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,497 INFO L895 garLoopResultBuilder]: At program point L747-181(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,497 INFO L899 garLoopResultBuilder]: For program point L747-182(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,498 INFO L902 garLoopResultBuilder]: At program point L746-214(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,498 INFO L899 garLoopResultBuilder]: For program point L747-183(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,498 INFO L899 garLoopResultBuilder]: For program point L746-215(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,498 INFO L895 garLoopResultBuilder]: At program point L747-185(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,498 INFO L899 garLoopResultBuilder]: For program point L747-186(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,499 INFO L899 garLoopResultBuilder]: For program point L747-187(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,499 INFO L895 garLoopResultBuilder]: At program point L747-188(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,499 INFO L899 garLoopResultBuilder]: For program point L747-189(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,499 INFO L899 garLoopResultBuilder]: For program point L747-192(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,500 INFO L895 garLoopResultBuilder]: At program point L747-193(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,500 INFO L899 garLoopResultBuilder]: For program point L746-225(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,500 INFO L902 garLoopResultBuilder]: At program point L753-9(lines 753 760) the Hoare annotation is: true [2023-11-21 22:10:35,500 INFO L899 garLoopResultBuilder]: For program point L747-201(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,501 INFO L895 garLoopResultBuilder]: At program point L747-202(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,501 INFO L899 garLoopResultBuilder]: For program point L746-235(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,501 INFO L902 garLoopResultBuilder]: At program point L746-236(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,501 INFO L899 garLoopResultBuilder]: For program point L746-237(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,501 INFO L899 garLoopResultBuilder]: For program point L747-209(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,502 INFO L899 garLoopResultBuilder]: For program point L747-211(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,502 INFO L895 garLoopResultBuilder]: At program point L747-213(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,502 INFO L899 garLoopResultBuilder]: For program point L747-214(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,502 INFO L902 garLoopResultBuilder]: At program point L746-246(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,503 INFO L902 garLoopResultBuilder]: At program point L746-248(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,503 INFO L899 garLoopResultBuilder]: For program point L746-249(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,503 INFO L899 garLoopResultBuilder]: For program point L746-255(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,503 INFO L899 garLoopResultBuilder]: For program point L747-224(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,504 INFO L899 garLoopResultBuilder]: For program point L746-256(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,504 INFO L902 garLoopResultBuilder]: At program point L746-257(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,504 INFO L899 garLoopResultBuilder]: For program point L746-259(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,504 INFO L899 garLoopResultBuilder]: For program point L746-260(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,504 INFO L902 garLoopResultBuilder]: At program point L746-261(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,505 INFO L899 garLoopResultBuilder]: For program point L746-262(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,505 INFO L899 garLoopResultBuilder]: For program point L746-263(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,505 INFO L902 garLoopResultBuilder]: At program point L746-264(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,505 INFO L899 garLoopResultBuilder]: For program point L746-265(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,506 INFO L899 garLoopResultBuilder]: For program point L747-234(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,506 INFO L902 garLoopResultBuilder]: At program point L746-266(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,506 INFO L895 garLoopResultBuilder]: At program point L747-235(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,506 INFO L899 garLoopResultBuilder]: For program point L746-267(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,507 INFO L899 garLoopResultBuilder]: For program point L747-236(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,507 INFO L899 garLoopResultBuilder]: For program point L746-268(line 746) no Hoare annotation was computed. [2023-11-21 22:10:35,507 INFO L902 garLoopResultBuilder]: At program point L746-269(line 746) the Hoare annotation is: true [2023-11-21 22:10:35,507 INFO L895 garLoopResultBuilder]: At program point L747-245(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,507 INFO L895 garLoopResultBuilder]: At program point L747-247(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,508 INFO L899 garLoopResultBuilder]: For program point L747-248(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,508 INFO L899 garLoopResultBuilder]: For program point L747-254(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,508 INFO L899 garLoopResultBuilder]: For program point L747-255(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,508 INFO L895 garLoopResultBuilder]: At program point L747-256(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,509 INFO L899 garLoopResultBuilder]: For program point L747-258(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,509 INFO L899 garLoopResultBuilder]: For program point L747-259(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,509 INFO L895 garLoopResultBuilder]: At program point L747-260(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,510 INFO L899 garLoopResultBuilder]: For program point L747-261(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,510 INFO L899 garLoopResultBuilder]: For program point L747-262(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,511 INFO L895 garLoopResultBuilder]: At program point L747-263(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,511 INFO L899 garLoopResultBuilder]: For program point L747-264(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,511 INFO L895 garLoopResultBuilder]: At program point L747-265(line 747) the Hoare annotation is: false [2023-11-21 22:10:35,511 INFO L899 garLoopResultBuilder]: For program point L747-266(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,512 INFO L899 garLoopResultBuilder]: For program point L747-267(line 747) no Hoare annotation was computed. [2023-11-21 22:10:35,512 INFO L902 garLoopResultBuilder]: At program point L747-268(line 747) the Hoare annotation is: true [2023-11-21 22:10:35,512 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:10:35,512 INFO L899 garLoopResultBuilder]: For program point L757-3(line 757) no Hoare annotation was computed. [2023-11-21 22:10:35,513 INFO L899 garLoopResultBuilder]: For program point L757-8(line 757) no Hoare annotation was computed. [2023-11-21 22:10:35,514 INFO L899 garLoopResultBuilder]: For program point L757-11(line 757) no Hoare annotation was computed. [2023-11-21 22:10:35,518 INFO L902 garLoopResultBuilder]: At program point L757-12(line 757) the Hoare annotation is: true [2023-11-21 22:10:35,519 INFO L899 garLoopResultBuilder]: For program point L757-13(line 757) no Hoare annotation was computed. [2023-11-21 22:10:35,519 INFO L899 garLoopResultBuilder]: For program point L757-22(line 757) no Hoare annotation was computed. [2023-11-21 22:10:35,520 INFO L902 garLoopResultBuilder]: At program point L757-23(line 757) the Hoare annotation is: true [2023-11-21 22:10:35,521 INFO L899 garLoopResultBuilder]: For program point L758-2(line 758) no Hoare annotation was computed. [2023-11-21 22:10:35,521 INFO L899 garLoopResultBuilder]: For program point L757-34(line 757) no Hoare annotation was computed. [2023-11-21 22:10:35,522 INFO L902 garLoopResultBuilder]: At program point L757-35(line 757) the Hoare annotation is: true [2023-11-21 22:10:35,523 INFO L899 garLoopResultBuilder]: For program point L757-36(line 757) no Hoare annotation was computed. [2023-11-21 22:10:35,523 INFO L899 garLoopResultBuilder]: For program point L757-37(line 757) no Hoare annotation was computed. [2023-11-21 22:10:35,530 INFO L899 garLoopResultBuilder]: For program point L757-38(line 757) no Hoare annotation was computed. [2023-11-21 22:10:35,530 INFO L899 garLoopResultBuilder]: For program point L758-7(line 758) no Hoare annotation was computed. [2023-11-21 22:10:35,531 INFO L902 garLoopResultBuilder]: At program point L757-39(line 757) the Hoare annotation is: true [2023-11-21 22:10:35,531 INFO L899 garLoopResultBuilder]: For program point L758-10(line 758) no Hoare annotation was computed. [2023-11-21 22:10:35,531 INFO L902 garLoopResultBuilder]: At program point L758-11(line 758) the Hoare annotation is: true [2023-11-21 22:10:35,531 INFO L899 garLoopResultBuilder]: For program point L758-12(line 758) no Hoare annotation was computed. [2023-11-21 22:10:35,531 INFO L899 garLoopResultBuilder]: For program point L758-21(line 758) no Hoare annotation was computed. [2023-11-21 22:10:35,532 INFO L902 garLoopResultBuilder]: At program point L758-22(line 758) the Hoare annotation is: true [2023-11-21 22:10:35,532 INFO L899 garLoopResultBuilder]: For program point L758-33(line 758) no Hoare annotation was computed. [2023-11-21 22:10:35,532 INFO L902 garLoopResultBuilder]: At program point L758-34(line 758) the Hoare annotation is: true [2023-11-21 22:10:35,532 INFO L899 garLoopResultBuilder]: For program point L758-35(line 758) no Hoare annotation was computed. [2023-11-21 22:10:35,533 INFO L899 garLoopResultBuilder]: For program point L758-36(line 758) no Hoare annotation was computed. [2023-11-21 22:10:35,533 INFO L899 garLoopResultBuilder]: For program point L758-37(line 758) no Hoare annotation was computed. [2023-11-21 22:10:35,534 INFO L902 garLoopResultBuilder]: At program point L758-38(line 758) the Hoare annotation is: true [2023-11-21 22:10:35,534 INFO L899 garLoopResultBuilder]: For program point L758-39(line 758) no Hoare annotation was computed. [2023-11-21 22:10:35,539 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 22:10:35,543 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:10:35,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:10:35 BoogieIcfgContainer [2023-11-21 22:10:35,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:10:35,574 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:10:35,575 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:10:35,575 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:10:35,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:59" (3/4) ... [2023-11-21 22:10:35,578 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:10:35,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 22:10:35,626 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 261 nodes and edges [2023-11-21 22:10:35,628 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-21 22:10:35,630 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 22:10:35,632 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:10:35,835 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:10:35,835 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:10:35,835 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:10:35,836 INFO L158 Benchmark]: Toolchain (without parser) took 43746.39ms. Allocated memory was 123.7MB in the beginning and 270.5MB in the end (delta: 146.8MB). Free memory was 89.2MB in the beginning and 107.6MB in the end (delta: -18.4MB). Peak memory consumption was 131.2MB. Max. memory is 16.1GB. [2023-11-21 22:10:35,837 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:10:35,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 931.40ms. Allocated memory is still 123.7MB. Free memory was 88.8MB in the beginning and 51.5MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-21 22:10:35,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 240.24ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 51.5MB in the beginning and 138.6MB in the end (delta: -87.1MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:35,839 INFO L158 Benchmark]: Boogie Preprocessor took 447.70ms. Allocated memory is still 176.2MB. Free memory was 138.6MB in the beginning and 102.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-21 22:10:35,839 INFO L158 Benchmark]: RCFGBuilder took 5388.45ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 102.9MB in the beginning and 186.6MB in the end (delta: -83.6MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2023-11-21 22:10:35,840 INFO L158 Benchmark]: TraceAbstraction took 36465.37ms. Allocated memory is still 270.5MB. Free memory was 185.5MB in the beginning and 121.2MB in the end (delta: 64.3MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2023-11-21 22:10:35,841 INFO L158 Benchmark]: Witness Printer took 261.23ms. Allocated memory is still 270.5MB. Free memory was 121.2MB in the beginning and 107.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:10:35,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 931.40ms. Allocated memory is still 123.7MB. Free memory was 88.8MB in the beginning and 51.5MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 240.24ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 51.5MB in the beginning and 138.6MB in the end (delta: -87.1MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 447.70ms. Allocated memory is still 176.2MB. Free memory was 138.6MB in the beginning and 102.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5388.45ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 102.9MB in the beginning and 186.6MB in the end (delta: -83.6MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. * TraceAbstraction took 36465.37ms. Allocated memory is still 270.5MB. Free memory was 185.5MB in the beginning and 121.2MB in the end (delta: 64.3MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Witness Printer took 261.23ms. Allocated memory is still 270.5MB. Free memory was 121.2MB in the beginning and 107.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. 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, 142 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 34.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 327 SdHoareTripleChecker+Invalid, 34.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 199 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 128 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 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=142occurred in iteration=0, 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 79 PreInvPairs, 131 NumberOfFragments, 75 HoareAnnotationTreeSize, 79 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 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: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: 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: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - 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: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 22:10:35,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b122e9-0563-4360-be82-5c7340391a54/bin/uautomizer-verify-bycVGegfSx/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