./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.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_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/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_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/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_797d90db-ad3d-43da-aacc-400916d21711/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 26a58d7d603dc7e351440fbc8be1a2e69d6c8a245d05ca1fdcdd97a1f744081c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:53,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:53,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:26:53,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:53,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:53,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:53,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:53,746 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:53,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:53,754 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:53,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:53,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:53,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:53,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:53,759 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:53,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:53,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:53,760 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:53,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:26:53,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:53,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:53,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:53,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:53,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:53,766 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:53,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:53,767 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:53,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:53,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:53,769 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:53,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:53,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:53,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:53,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:53,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:53,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:26:53,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:26:53,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:53,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:53,774 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:53,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:53,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:53,775 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_797d90db-ad3d-43da-aacc-400916d21711/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26a58d7d603dc7e351440fbc8be1a2e69d6c8a245d05ca1fdcdd97a1f744081c [2023-11-21 22:26:54,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:54,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:54,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:54,131 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:54,131 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:54,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i [2023-11-21 22:26:57,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:26:58,276 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:26:58,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i [2023-11-21 22:26:58,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/data/af7ab5cd6/d428328b86764c2cbb4b587cab3c7b12/FLAGa5f6778ad [2023-11-21 22:26:58,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/data/af7ab5cd6/d428328b86764c2cbb4b587cab3c7b12 [2023-11-21 22:26:58,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:26:58,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:26:58,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:58,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:26:58,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:26:58,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccc61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58, skipping insertion in model container [2023-11-21 22:26:58,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,445 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:26:58,742 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:26:58,975 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_797d90db-ad3d-43da-aacc-400916d21711/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i[33510,33523] [2023-11-21 22:26:59,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:59,174 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:26:59,203 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:26:59,231 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_797d90db-ad3d-43da-aacc-400916d21711/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i[33510,33523] [2023-11-21 22:26:59,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:59,386 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:26:59,395 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:26:59,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59 WrapperNode [2023-11-21 22:26:59,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:59,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:59,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:26:59,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:26:59,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,556 INFO L138 Inliner]: procedures = 178, calls = 228, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 916 [2023-11-21 22:26:59,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:59,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:26:59,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:26:59,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:26:59,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,589 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,678 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 22:26:59,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:26:59,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:26:59,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:26:59,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:26:59,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (1/1) ... [2023-11-21 22:26:59,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:59,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:26:59,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:26:59,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:26:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:26:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:26:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:26:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:26:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:26:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:26:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:26:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:26:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:26:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:26:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:26:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:26:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:27:00,185 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:27:00,187 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:27:01,719 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:27:03,071 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:27:03,071 INFO L308 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-21 22:27:03,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:03 BoogieIcfgContainer [2023-11-21 22:27:03,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:27:03,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:27:03,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:27:03,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:27:03,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:26:58" (1/3) ... [2023-11-21 22:27:03,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f0ff32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:03, skipping insertion in model container [2023-11-21 22:27:03,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:59" (2/3) ... [2023-11-21 22:27:03,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f0ff32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:03, skipping insertion in model container [2023-11-21 22:27:03,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:03" (3/3) ... [2023-11-21 22:27:03,090 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test1-2.i [2023-11-21 22:27:03,114 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:27:03,114 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:27:03,177 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:27:03,185 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;@170cbea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:27:03,186 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:27:03,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 71 states have (on average 1.7183098591549295) internal successors, (122), 72 states have internal predecessors, (122), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:27:03,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 22:27:03,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:03,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-21 22:27:03,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:03,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:03,208 INFO L85 PathProgramCache]: Analyzing trace with hash 900698123, now seen corresponding path program 1 times [2023-11-21 22:27:03,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:27:03,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240174475] [2023-11-21 22:27:03,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:03,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:27:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:03,427 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 22:27:03,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:27:03,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240174475] [2023-11-21 22:27:03,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240174475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:03,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:03,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:27:03,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063936612] [2023-11-21 22:27:03,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:03,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:27:03,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:27:03,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:27:03,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:27:03,475 INFO L87 Difference]: Start difference. First operand has 77 states, 71 states have (on average 1.7183098591549295) internal successors, (122), 72 states have internal predecessors, (122), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 22:27:05,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:27:07,544 WARN L539 Checker$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 22:27:09,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:27:11,725 WARN L539 Checker$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 22:27:13,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:13,444 INFO L93 Difference]: Finished difference Result 205 states and 346 transitions. [2023-11-21 22:27:13,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:27:13,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2023-11-21 22:27:13,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:13,457 INFO L225 Difference]: With dead ends: 205 [2023-11-21 22:27:13,457 INFO L226 Difference]: Without dead ends: 112 [2023-11-21 22:27:13,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 22:27:13,464 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 53 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:13,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 136 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 4 Unknown, 0 Unchecked, 9.9s Time] [2023-11-21 22:27:13,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-21 22:27:13,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 61. [2023-11-21 22:27:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 56 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:27:13,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2023-11-21 22:27:13,510 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 5 [2023-11-21 22:27:13,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:13,511 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2023-11-21 22:27:13,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 22:27:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2023-11-21 22:27:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 22:27:13,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:13,514 INFO L195 NwaCegarLoop]: trace histogram [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 22:27:13,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:27:13,515 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:13,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:13,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1690037959, now seen corresponding path program 1 times [2023-11-21 22:27:13,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:27:13,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075194507] [2023-11-21 22:27:13,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:13,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:27:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:14,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:27:14,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:27:14,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075194507] [2023-11-21 22:27:14,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075194507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:14,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:14,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:27:14,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679780540] [2023-11-21 22:27:14,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:14,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:27:14,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:27:14,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:27:14,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:27:14,163 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 22:27:16,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:27:18,204 WARN L539 Checker$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 22:27:20,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:27:22,355 WARN L539 Checker$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 22:27:24,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:27:25,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 22:27:25,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:25,675 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2023-11-21 22:27:25,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:27:25,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 32 [2023-11-21 22:27:25,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:25,681 INFO L225 Difference]: With dead ends: 134 [2023-11-21 22:27:25,681 INFO L226 Difference]: Without dead ends: 75 [2023-11-21 22:27:25,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 22:27:25,684 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 11 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:25,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 92 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2023-11-21 22:27:25,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-21 22:27:25,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-21 22:27:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 70 states have (on average 1.1285714285714286) internal successors, (79), 70 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:27:25,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2023-11-21 22:27:25,702 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 32 [2023-11-21 22:27:25,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:25,702 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2023-11-21 22:27:25,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 22:27:25,704 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2023-11-21 22:27:25,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 22:27:25,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:25,706 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] [2023-11-21 22:27:25,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:27:25,707 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:25,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:25,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1382947218, now seen corresponding path program 1 times [2023-11-21 22:27:25,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:27:25,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283930448] [2023-11-21 22:27:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:25,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:27:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-21 22:27:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:26,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:27:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:26,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:27:26,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:27:26,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283930448] [2023-11-21 22:27:26,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283930448] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:27:26,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562246086] [2023-11-21 22:27:26,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:26,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:27:26,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:27:26,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:27:26,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:27:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:26,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:27:26,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:27:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:27:26,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:27:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:27:26,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562246086] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:27:26,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:27:26,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2023-11-21 22:27:26,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395229343] [2023-11-21 22:27:26,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:27:26,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:27:26,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:27:26,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:27:26,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:27:26,954 INFO L87 Difference]: Start difference. First operand 75 states and 85 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-21 22:27:28,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:27:31,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:27:33,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:27:33,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:33,022 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2023-11-21 22:27:33,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:27:33,027 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2023-11-21 22:27:33,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:33,027 INFO L225 Difference]: With dead ends: 75 [2023-11-21 22:27:33,027 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:27:33,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:27:33,030 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:33,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 11 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2023-11-21 22:27:33,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:27:33,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:27:33,031 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 22:27:33,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:27:33,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2023-11-21 22:27:33,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:33,032 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:27:33,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-21 22:27:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:27:33,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:27:33,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:27:33,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:27:33,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:27:33,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:27:33,344 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:27:33,344 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 22:27:33,344 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 22:27:33,345 INFO L899 garLoopResultBuilder]: For program point L737-2(lines 737 746) no Hoare annotation was computed. [2023-11-21 22:27:33,345 INFO L895 garLoopResultBuilder]: At program point L737-3(lines 737 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:27:33,346 INFO L895 garLoopResultBuilder]: At program point L747-3(lines 747 749) the Hoare annotation is: false [2023-11-21 22:27:33,347 INFO L899 garLoopResultBuilder]: For program point L745-68(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,347 INFO L895 garLoopResultBuilder]: At program point L745-69(line 745) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:27:33,347 INFO L899 garLoopResultBuilder]: For program point L745-70(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,351 INFO L895 garLoopResultBuilder]: At program point L745-71(line 745) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:27:33,351 INFO L899 garLoopResultBuilder]: For program point L745-170(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,351 INFO L895 garLoopResultBuilder]: At program point L745-171(line 745) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:27:33,351 INFO L899 garLoopResultBuilder]: For program point L745-172(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,352 INFO L899 garLoopResultBuilder]: For program point L745-173(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,352 INFO L895 garLoopResultBuilder]: At program point L745-174(line 745) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:27:33,353 INFO L899 garLoopResultBuilder]: For program point L745-175(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,353 INFO L895 garLoopResultBuilder]: At program point L745-176(line 745) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:27:33,353 INFO L899 garLoopResultBuilder]: For program point L745-178(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,353 INFO L899 garLoopResultBuilder]: For program point L745-180(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,353 INFO L895 garLoopResultBuilder]: At program point L745-182(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,354 INFO L899 garLoopResultBuilder]: For program point L745-183(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,354 INFO L899 garLoopResultBuilder]: For program point L745-184(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,354 INFO L895 garLoopResultBuilder]: At program point L745-186(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,354 INFO L899 garLoopResultBuilder]: For program point L745-187(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,354 INFO L899 garLoopResultBuilder]: For program point L745-188(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,356 INFO L895 garLoopResultBuilder]: At program point L745-189(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,356 INFO L899 garLoopResultBuilder]: For program point L745-190(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,356 INFO L899 garLoopResultBuilder]: For program point L745-193(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,356 INFO L895 garLoopResultBuilder]: At program point L745-194(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,356 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:27:33,357 INFO L899 garLoopResultBuilder]: For program point L745-202(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,357 INFO L895 garLoopResultBuilder]: At program point L745-203(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,357 INFO L899 garLoopResultBuilder]: For program point L745-210(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,357 INFO L899 garLoopResultBuilder]: For program point L745-212(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,357 INFO L895 garLoopResultBuilder]: At program point L745-214(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,358 INFO L899 garLoopResultBuilder]: For program point L745-215(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,358 INFO L899 garLoopResultBuilder]: For program point L745-225(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,359 INFO L902 garLoopResultBuilder]: At program point L752-9(lines 752 755) the Hoare annotation is: true [2023-11-21 22:27:33,359 INFO L899 garLoopResultBuilder]: For program point L745-235(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,359 INFO L895 garLoopResultBuilder]: At program point L745-236(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,359 INFO L899 garLoopResultBuilder]: For program point L745-237(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,359 INFO L895 garLoopResultBuilder]: At program point L745-246(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,360 INFO L895 garLoopResultBuilder]: At program point L745-248(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,360 INFO L899 garLoopResultBuilder]: For program point L745-249(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,360 INFO L899 garLoopResultBuilder]: For program point L753-3(line 753) no Hoare annotation was computed. [2023-11-21 22:27:33,360 INFO L899 garLoopResultBuilder]: For program point L745-255(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,360 INFO L899 garLoopResultBuilder]: For program point L745-256(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,360 INFO L899 garLoopResultBuilder]: For program point L753-8(line 753) no Hoare annotation was computed. [2023-11-21 22:27:33,361 INFO L895 garLoopResultBuilder]: At program point L745-257(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,361 INFO L899 garLoopResultBuilder]: For program point L745-259(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,361 INFO L899 garLoopResultBuilder]: For program point L753-11(line 753) no Hoare annotation was computed. [2023-11-21 22:27:33,361 INFO L899 garLoopResultBuilder]: For program point L745-260(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,361 INFO L902 garLoopResultBuilder]: At program point L753-12(line 753) the Hoare annotation is: true [2023-11-21 22:27:33,362 INFO L895 garLoopResultBuilder]: At program point L745-261(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,362 INFO L899 garLoopResultBuilder]: For program point L753-13(line 753) no Hoare annotation was computed. [2023-11-21 22:27:33,362 INFO L899 garLoopResultBuilder]: For program point L745-262(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,363 INFO L899 garLoopResultBuilder]: For program point L745-263(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,363 INFO L895 garLoopResultBuilder]: At program point L745-264(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,363 INFO L899 garLoopResultBuilder]: For program point L745-265(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,363 INFO L895 garLoopResultBuilder]: At program point L745-266(line 745) the Hoare annotation is: false [2023-11-21 22:27:33,363 INFO L899 garLoopResultBuilder]: For program point L745-267(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,363 INFO L899 garLoopResultBuilder]: For program point L745-268(line 745) no Hoare annotation was computed. [2023-11-21 22:27:33,364 INFO L895 garLoopResultBuilder]: At program point L745-269(line 745) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:27:33,364 INFO L899 garLoopResultBuilder]: For program point L753-22(line 753) no Hoare annotation was computed. [2023-11-21 22:27:33,364 INFO L902 garLoopResultBuilder]: At program point L753-23(line 753) the Hoare annotation is: true [2023-11-21 22:27:33,364 INFO L899 garLoopResultBuilder]: For program point L753-34(line 753) no Hoare annotation was computed. [2023-11-21 22:27:33,364 INFO L902 garLoopResultBuilder]: At program point L753-35(line 753) the Hoare annotation is: true [2023-11-21 22:27:33,365 INFO L899 garLoopResultBuilder]: For program point L753-36(line 753) no Hoare annotation was computed. [2023-11-21 22:27:33,365 INFO L899 garLoopResultBuilder]: For program point L753-37(line 753) no Hoare annotation was computed. [2023-11-21 22:27:33,365 INFO L899 garLoopResultBuilder]: For program point L753-38(line 753) no Hoare annotation was computed. [2023-11-21 22:27:33,367 INFO L902 garLoopResultBuilder]: At program point L753-39(line 753) the Hoare annotation is: true [2023-11-21 22:27:33,371 INFO L899 garLoopResultBuilder]: For program point L753-40(line 753) no Hoare annotation was computed. [2023-11-21 22:27:33,371 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2023-11-21 22:27:33,372 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 725) no Hoare annotation was computed. [2023-11-21 22:27:33,372 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:27:33,372 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-21 22:27:33,373 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 724) no Hoare annotation was computed. [2023-11-21 22:27:33,379 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-21 22:27:33,381 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:27:33,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:27:33 BoogieIcfgContainer [2023-11-21 22:27:33,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:27:33,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:27:33,409 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:27:33,409 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:27:33,410 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:03" (3/4) ... [2023-11-21 22:27:33,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:27:33,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 22:27:33,443 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 147 nodes and edges [2023-11-21 22:27:33,445 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-21 22:27:33,447 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:27:33,448 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:27:33,650 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:27:33,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:27:33,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:27:33,651 INFO L158 Benchmark]: Toolchain (without parser) took 35321.36ms. Allocated memory was 142.6MB in the beginning and 245.4MB in the end (delta: 102.8MB). Free memory was 106.9MB in the beginning and 137.2MB in the end (delta: -30.3MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2023-11-21 22:27:33,652 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory is still 42.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:27:33,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1065.78ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 77.0MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-21 22:27:33,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 169.81ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 70.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:27:33,653 INFO L158 Benchmark]: Boogie Preprocessor took 248.12ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 58.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:27:33,653 INFO L158 Benchmark]: RCFGBuilder took 3256.03ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 58.1MB in the beginning and 124.6MB in the end (delta: -66.5MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2023-11-21 22:27:33,654 INFO L158 Benchmark]: TraceAbstraction took 30331.04ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 124.6MB in the beginning and 148.7MB in the end (delta: -24.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-21 22:27:33,654 INFO L158 Benchmark]: Witness Printer took 242.26ms. Allocated memory is still 245.4MB. Free memory was 148.7MB in the beginning and 137.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:27:33,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory is still 42.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1065.78ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 77.0MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 169.81ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 70.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 248.12ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 58.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3256.03ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 58.1MB in the beginning and 124.6MB in the end (delta: -66.5MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * TraceAbstraction took 30331.04ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 124.6MB in the beginning and 148.7MB in the end (delta: -24.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 242.26ms. Allocated memory is still 245.4MB. Free memory was 148.7MB in the beginning and 137.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 27.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 239 SdHoareTripleChecker+Invalid, 27.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 109 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 130 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 51 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 44 PreInvPairs, 56 NumberOfFragments, 91 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 469 SizeOfPredicates, 0 NumberOfNonLiveVariables, 449 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 10/13 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: 752]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (i <= 0) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:27:33,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797d90db-ad3d-43da-aacc-400916d21711/bin/uautomizer-verify-bycVGegfSx/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