./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/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_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/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_6e3e55e1-1028-4436-9c37-305d0ffb92f5/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 a74358cfc3b57ddf641c2843362a5594690e287c76148ee1838c9104dbe09de1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:08:26,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:08:27,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:08:27,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:08:27,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:08:27,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:08:27,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:08:27,095 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:08:27,096 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:08:27,101 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:08:27,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:08:27,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:08:27,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:08:27,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:08:27,122 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:08:27,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:08:27,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:08:27,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:08:27,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:08:27,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:08:27,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:08:27,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:08:27,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:08:27,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:08:27,126 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:08:27,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:08:27,127 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:08:27,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:08:27,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:08:27,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:08:27,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:08:27,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:27,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:08:27,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:08:27,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:08:27,132 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:08:27,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:08:27,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:08:27,133 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:08:27,133 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:08:27,133 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:08:27,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:08:27,134 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_6e3e55e1-1028-4436-9c37-305d0ffb92f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74358cfc3b57ddf641c2843362a5594690e287c76148ee1838c9104dbe09de1 [2023-11-21 22:08:27,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:08:27,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:08:27,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:08:27,438 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:08:27,438 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:08:27,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i [2023-11-21 22:08:30,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:08:30,855 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:08:30,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i [2023-11-21 22:08:30,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/data/5c0847c02/6d0d5c0f1bb742b29ce0e821f398c8d3/FLAG28d21a2f0 [2023-11-21 22:08:30,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/data/5c0847c02/6d0d5c0f1bb742b29ce0e821f398c8d3 [2023-11-21 22:08:30,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:08:30,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:08:30,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:30,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:08:30,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:08:30,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:30" (1/1) ... [2023-11-21 22:08:30,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488b9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:30, skipping insertion in model container [2023-11-21 22:08:30,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:30" (1/1) ... [2023-11-21 22:08:31,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:08:31,520 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_6e3e55e1-1028-4436-9c37-305d0ffb92f5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i[33021,33034] [2023-11-21 22:08:31,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:31,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:08:31,682 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_6e3e55e1-1028-4436-9c37-305d0ffb92f5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i[33021,33034] [2023-11-21 22:08:31,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:31,847 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:08:31,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31 WrapperNode [2023-11-21 22:08:31,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:31,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:31,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:08:31,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:08:31,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:31,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:32,007 INFO L138 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 790 [2023-11-21 22:08:32,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:32,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:08:32,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:08:32,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:08:32,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:32,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:32,035 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:32,096 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 22:08:32,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:32,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:32,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:32,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:32,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:32,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:32,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:08:32,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:08:32,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:08:32,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:08:32,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (1/1) ... [2023-11-21 22:08:32,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:32,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:32,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:08:32,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:08:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:08:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 22:08:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 22:08:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:08:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:08:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:08:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:08:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:08:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:08:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:08:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:08:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:08:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:08:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:08:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:08:32,523 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:08:32,527 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:08:33,812 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:08:34,954 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:08:34,955 INFO L308 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-21 22:08:34,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:34 BoogieIcfgContainer [2023-11-21 22:08:34,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:08:34,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:08:34,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:08:34,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:08:34,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:08:30" (1/3) ... [2023-11-21 22:08:34,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3461701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:34, skipping insertion in model container [2023-11-21 22:08:34,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:31" (2/3) ... [2023-11-21 22:08:34,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3461701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:34, skipping insertion in model container [2023-11-21 22:08:34,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:34" (3/3) ... [2023-11-21 22:08:34,973 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test1-1.i [2023-11-21 22:08:34,996 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:08:34,996 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:08:35,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:08:35,068 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;@3bc00a9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:08:35,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:08:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 68 states have (on average 1.7352941176470589) internal successors, (118), 79 states have internal predecessors, (118), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-21 22:08:35,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 22:08:35,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:35,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:35,083 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:08:35,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:35,089 INFO L85 PathProgramCache]: Analyzing trace with hash -934467417, now seen corresponding path program 1 times [2023-11-21 22:08:35,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:35,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488149783] [2023-11-21 22:08:35,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:35,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:35,355 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 22:08:35,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:35,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488149783] [2023-11-21 22:08:35,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488149783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:35,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:35,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:08:35,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641232456] [2023-11-21 22:08:35,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:35,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:08:35,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:35,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:08:35,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:35,407 INFO L87 Difference]: Start difference. First operand has 85 states, 68 states have (on average 1.7352941176470589) internal successors, (118), 79 states have internal predecessors, (118), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:08:37,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:08:39,472 WARN L539 Checker$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 22:08:41,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:08:43,580 WARN L539 Checker$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 22:08:45,598 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 22:08:46,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:08:46,929 INFO L93 Difference]: Finished difference Result 219 states and 385 transitions. [2023-11-21 22:08:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:08:46,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-21 22:08:46,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:08:46,951 INFO L225 Difference]: With dead ends: 219 [2023-11-21 22:08:46,952 INFO L226 Difference]: Without dead ends: 133 [2023-11-21 22:08:46,956 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 22:08:46,960 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 53 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:08:46,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 190 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2023-11-21 22:08:46,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-21 22:08:47,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 89. [2023-11-21 22:08:47,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 73 states have (on average 1.2465753424657535) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-21 22:08:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2023-11-21 22:08:47,045 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 8 [2023-11-21 22:08:47,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:08:47,046 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2023-11-21 22:08:47,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:08:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2023-11-21 22:08:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 22:08:47,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:47,052 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, 1, 1, 1] [2023-11-21 22:08:47,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:08:47,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:08:47,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:47,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1399065638, now seen corresponding path program 1 times [2023-11-21 22:08:47,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:47,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229392141] [2023-11-21 22:08:47,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:47,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:47,199 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:08:47,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001648866] [2023-11-21 22:08:47,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:47,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:08:47,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:47,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:08:47,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:08:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:47,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:08:47,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:08:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:47,695 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:08:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:47,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:47,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229392141] [2023-11-21 22:08:47,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:08:47,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001648866] [2023-11-21 22:08:47,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001648866] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:08:47,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:08:47,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-21 22:08:47,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066152205] [2023-11-21 22:08:47,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:08:47,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:08:47,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:47,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:08:47,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:08:47,787 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:08:49,817 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 22:08:51,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:08:53,926 WARN L539 Checker$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 22:08:55,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:08:58,100 WARN L539 Checker$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 22:09:00,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 22:09:00,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:09:00,353 INFO L93 Difference]: Finished difference Result 191 states and 235 transitions. [2023-11-21 22:09:00,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:09:00,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-11-21 22:09:00,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:09:00,355 INFO L225 Difference]: With dead ends: 191 [2023-11-21 22:09:00,355 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:09:00,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:09:00,359 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 153 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 11 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:09:00,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 102 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 30 Invalid, 4 Unknown, 0 Unchecked, 12.5s Time] [2023-11-21 22:09:00,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:09:00,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:09:00,361 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 22:09:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:09:00,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2023-11-21 22:09:00,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:09:00,362 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:09:00,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:00,363 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:09:00,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:09:00,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:09:00,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:00,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:09:00,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:09:00,704 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:09:00,705 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 22:09:00,705 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 22:09:00,706 INFO L899 garLoopResultBuilder]: For program point L757-170(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,714 INFO L895 garLoopResultBuilder]: At program point L757-171(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 9) [2023-11-21 22:09:00,715 INFO L899 garLoopResultBuilder]: For program point L757-172(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,715 INFO L899 garLoopResultBuilder]: For program point L757-173(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,715 INFO L895 garLoopResultBuilder]: At program point L757-174(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 9) [2023-11-21 22:09:00,716 INFO L899 garLoopResultBuilder]: For program point L757-175(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,716 INFO L895 garLoopResultBuilder]: At program point L757-176(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 9) [2023-11-21 22:09:00,716 INFO L899 garLoopResultBuilder]: For program point L757-178(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,716 INFO L899 garLoopResultBuilder]: For program point L757-180(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,717 INFO L895 garLoopResultBuilder]: At program point L757-182(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,717 INFO L899 garLoopResultBuilder]: For program point L757-183(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,718 INFO L899 garLoopResultBuilder]: For program point L757-184(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,718 INFO L895 garLoopResultBuilder]: At program point L757-186(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,718 INFO L899 garLoopResultBuilder]: For program point L757-187(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,718 INFO L899 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2023-11-21 22:09:00,719 INFO L899 garLoopResultBuilder]: For program point L757-188(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,720 INFO L895 garLoopResultBuilder]: At program point L757-189(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,720 INFO L899 garLoopResultBuilder]: For program point L757-190(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,720 INFO L899 garLoopResultBuilder]: For program point L757-193(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,720 INFO L895 garLoopResultBuilder]: At program point L757-194(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,720 INFO L899 garLoopResultBuilder]: For program point L757-202(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,721 INFO L895 garLoopResultBuilder]: At program point L757-203(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,721 INFO L899 garLoopResultBuilder]: For program point L757-210(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,721 INFO L899 garLoopResultBuilder]: For program point L757-212(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,721 INFO L895 garLoopResultBuilder]: At program point L757-214(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,721 INFO L899 garLoopResultBuilder]: For program point L757-215(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,722 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: false [2023-11-21 22:09:00,722 INFO L899 garLoopResultBuilder]: For program point L757-225(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,722 INFO L899 garLoopResultBuilder]: For program point L757-235(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,723 INFO L895 garLoopResultBuilder]: At program point L757-236(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,723 INFO L899 garLoopResultBuilder]: For program point L757-237(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,727 INFO L895 garLoopResultBuilder]: At program point L757-246(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,727 INFO L895 garLoopResultBuilder]: At program point L757-248(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,729 INFO L899 garLoopResultBuilder]: For program point L757-249(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,729 INFO L899 garLoopResultBuilder]: For program point L757-255(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,729 INFO L899 garLoopResultBuilder]: For program point L757-256(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,729 INFO L895 garLoopResultBuilder]: At program point L757-257(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,730 INFO L899 garLoopResultBuilder]: For program point L757-259(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,730 INFO L899 garLoopResultBuilder]: For program point L757-260(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,730 INFO L895 garLoopResultBuilder]: At program point L757-261(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,730 INFO L899 garLoopResultBuilder]: For program point L757-262(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,730 INFO L899 garLoopResultBuilder]: For program point L757-263(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,731 INFO L895 garLoopResultBuilder]: At program point L757-264(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,731 INFO L899 garLoopResultBuilder]: For program point L757-265(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,731 INFO L895 garLoopResultBuilder]: At program point L757-266(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 2) [2023-11-21 22:09:00,731 INFO L899 garLoopResultBuilder]: For program point L757-267(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,731 INFO L899 garLoopResultBuilder]: For program point L757-268(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,732 INFO L895 garLoopResultBuilder]: At program point L757-269(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 9) [2023-11-21 22:09:00,733 INFO L899 garLoopResultBuilder]: For program point L733(line 733) no Hoare annotation was computed. [2023-11-21 22:09:00,733 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: false [2023-11-21 22:09:00,733 INFO L899 garLoopResultBuilder]: For program point L736(line 736) no Hoare annotation was computed. [2023-11-21 22:09:00,734 INFO L895 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: false [2023-11-21 22:09:00,734 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 739) no Hoare annotation was computed. [2023-11-21 22:09:00,736 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-21 22:09:00,736 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-21 22:09:00,737 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-21 22:09:00,737 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-21 22:09:00,739 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-21 22:09:00,739 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-21 22:09:00,739 INFO L899 garLoopResultBuilder]: For program point L750-2(lines 750 758) no Hoare annotation was computed. [2023-11-21 22:09:00,739 INFO L895 garLoopResultBuilder]: At program point L750-3(lines 750 758) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 9) [2023-11-21 22:09:00,740 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-21 22:09:00,740 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:09:00,740 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-21 22:09:00,740 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-21 22:09:00,740 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-21 22:09:00,741 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:09:00,741 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-21 22:09:00,741 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: false [2023-11-21 22:09:00,742 INFO L895 garLoopResultBuilder]: At program point L759-3(lines 759 761) the Hoare annotation is: false [2023-11-21 22:09:00,742 INFO L899 garLoopResultBuilder]: For program point L757-68(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,742 INFO L902 garLoopResultBuilder]: At program point L757-69(line 757) the Hoare annotation is: true [2023-11-21 22:09:00,742 INFO L899 garLoopResultBuilder]: For program point L757-70(line 757) no Hoare annotation was computed. [2023-11-21 22:09:00,742 INFO L895 garLoopResultBuilder]: At program point L757-71(line 757) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 9) [2023-11-21 22:09:00,743 INFO L899 garLoopResultBuilder]: For program point L727(line 727) no Hoare annotation was computed. [2023-11-21 22:09:00,743 INFO L895 garLoopResultBuilder]: At program point L728(line 728) the Hoare annotation is: false [2023-11-21 22:09:00,743 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-11-21 22:09:00,743 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-21 22:09:00,743 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2023-11-21 22:09:00,744 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-21 22:09:00,744 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-21 22:09:00,744 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 703) no Hoare annotation was computed. [2023-11-21 22:09:00,748 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 22:09:00,750 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:09:00,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:09:00 BoogieIcfgContainer [2023-11-21 22:09:00,768 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:09:00,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:09:00,769 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:09:00,769 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:09:00,769 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:34" (3/4) ... [2023-11-21 22:09:00,772 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:09:00,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 22:09:00,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 22:09:00,794 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2023-11-21 22:09:00,796 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-21 22:09:00,797 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:09:00,799 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:09:01,003 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:09:01,005 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:09:01,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:09:01,006 INFO L158 Benchmark]: Toolchain (without parser) took 30095.82ms. Allocated memory was 119.5MB in the beginning and 207.6MB in the end (delta: 88.1MB). Free memory was 75.0MB in the beginning and 75.7MB in the end (delta: -648.2kB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2023-11-21 22:09:01,006 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory was 90.1MB in the beginning and 90.1MB in the end (delta: 82.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:09:01,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 955.55ms. Allocated memory was 119.5MB in the beginning and 161.5MB in the end (delta: 41.9MB). Free memory was 74.8MB in the beginning and 130.8MB in the end (delta: -56.1MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2023-11-21 22:09:01,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.37ms. Allocated memory is still 161.5MB. Free memory was 130.8MB in the beginning and 125.3MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:09:01,008 INFO L158 Benchmark]: Boogie Preprocessor took 194.68ms. Allocated memory is still 161.5MB. Free memory was 125.3MB in the beginning and 116.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:09:01,008 INFO L158 Benchmark]: RCFGBuilder took 2753.67ms. Allocated memory was 161.5MB in the beginning and 207.6MB in the end (delta: 46.1MB). Free memory was 115.4MB in the beginning and 125.1MB in the end (delta: -9.7MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2023-11-21 22:09:01,009 INFO L158 Benchmark]: TraceAbstraction took 25806.20ms. Allocated memory is still 207.6MB. Free memory was 124.1MB in the beginning and 86.2MB in the end (delta: 37.9MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-21 22:09:01,009 INFO L158 Benchmark]: Witness Printer took 236.88ms. Allocated memory is still 207.6MB. Free memory was 86.2MB in the beginning and 75.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:09:01,013 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory was 90.1MB in the beginning and 90.1MB in the end (delta: 82.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 955.55ms. Allocated memory was 119.5MB in the beginning and 161.5MB in the end (delta: 41.9MB). Free memory was 74.8MB in the beginning and 130.8MB in the end (delta: -56.1MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.37ms. Allocated memory is still 161.5MB. Free memory was 130.8MB in the beginning and 125.3MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 194.68ms. Allocated memory is still 161.5MB. Free memory was 125.3MB in the beginning and 116.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2753.67ms. Allocated memory was 161.5MB in the beginning and 207.6MB in the end (delta: 46.1MB). Free memory was 115.4MB in the beginning and 125.1MB in the end (delta: -9.7MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. * TraceAbstraction took 25806.20ms. Allocated memory is still 207.6MB. Free memory was 124.1MB in the beginning and 86.2MB in the end (delta: 37.9MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Witness Printer took 236.88ms. Allocated memory is still 207.6MB. Free memory was 86.2MB in the beginning and 75.7MB in the end (delta: 10.5MB). 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: 703]: 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 3 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 215 SdHoareTripleChecker+Valid, 24.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 292 SdHoareTripleChecker+Invalid, 23.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 146 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=1, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 75 PreInvPairs, 121 NumberOfFragments, 72 HoareAnnotationTreeSize, 75 FomulaSimplifications, 114 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 315 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 2) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 2) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 2) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 2) - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (i < 9) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 9) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 2) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 9) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 9) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 2) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 2) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 9) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 9) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 2) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 2) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i < 2) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:09:01,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e55e1-1028-4436-9c37-305d0ffb92f5/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