./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/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 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:56:50,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:56:50,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 20:56:50,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:56:50,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:56:51,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:56:51,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:56:51,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:56:51,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:56:51,042 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:56:51,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:56:51,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:56:51,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:56:51,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:56:51,046 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:56:51,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:56:51,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:56:51,047 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:56:51,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:56:51,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:56:51,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:56:51,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:56:51,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:56:51,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:56:51,050 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:56:51,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:56:51,051 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:56:51,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:56:51,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:56:51,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:56:51,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:56:51,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:56:51,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:56:51,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:56:51,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:56:51,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:56:51,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:56:51,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:56:51,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:56:51,057 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:56:51,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:56:51,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:56:51,058 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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2023-11-21 20:56:51,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:56:51,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:56:51,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:56:51,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:56:51,391 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:56:51,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2023-11-21 20:56:54,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:56:54,922 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:56:54,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2023-11-21 20:56:54,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/data/fc82ae926/91cbf16990a64dedaec28611c2e2337c/FLAGbbbc6fd51 [2023-11-21 20:56:54,979 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/data/fc82ae926/91cbf16990a64dedaec28611c2e2337c [2023-11-21 20:56:54,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:56:54,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:56:54,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:56:54,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:56:54,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:56:54,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:56:54" (1/1) ... [2023-11-21 20:56:55,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c595794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:55, skipping insertion in model container [2023-11-21 20:56:55,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:56:54" (1/1) ... [2023-11-21 20:56:55,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:56:55,834 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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131] [2023-11-21 20:56:55,860 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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673] [2023-11-21 20:56:56,025 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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260] [2023-11-21 20:56:56,026 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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381] [2023-11-21 20:56:56,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:56:56,057 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:56:56,094 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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131] [2023-11-21 20:56:56,096 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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673] [2023-11-21 20:56:56,170 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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260] [2023-11-21 20:56:56,171 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_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381] [2023-11-21 20:56:56,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:56:56,306 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:56:56,315 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:56:56,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56 WrapperNode [2023-11-21 20:56:56,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:56:56,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:56:56,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:56:56,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:56:56,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,510 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1373 [2023-11-21 20:56:56,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:56:56,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:56:56,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:56:56,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:56:56,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,553 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,681 INFO L187 HeapSplitter]: Split 261 memory accesses to 5 slices as follows [2, 218, 2, 5, 34] [2023-11-21 20:56:56,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:56:56,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:56:56,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:56:56,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:56:56,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (1/1) ... [2023-11-21 20:56:56,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:56:56,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:56:56,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:56:56,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:56:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 20:56:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 20:56:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-21 20:56:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-21 20:56:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-21 20:56:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-21 20:56:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-21 20:56:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 20:56:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-21 20:56:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-21 20:56:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 20:56:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 20:56:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 20:56:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 20:56:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 20:56:56,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 20:56:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 20:56:56,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 20:56:56,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 20:56:56,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 20:56:56,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 20:56:56,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 20:56:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 20:56:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:56:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-21 20:56:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-21 20:56:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-21 20:56:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-21 20:56:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-21 20:56:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-21 20:56:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-21 20:56:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-21 20:56:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-21 20:56:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 20:56:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 20:56:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 20:56:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 20:56:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 20:56:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:56:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:56:57,259 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:56:57,262 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:56:58,886 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:57:00,771 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:57:00,771 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 20:57:00,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:00 BoogieIcfgContainer [2023-11-21 20:57:00,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:57:00,777 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:57:00,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:57:00,781 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:57:00,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:56:54" (1/3) ... [2023-11-21 20:57:00,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a412d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:57:00, skipping insertion in model container [2023-11-21 20:57:00,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:56" (2/3) ... [2023-11-21 20:57:00,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a412d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:57:00, skipping insertion in model container [2023-11-21 20:57:00,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:00" (3/3) ... [2023-11-21 20:57:00,787 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test6-1.i [2023-11-21 20:57:00,810 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:57:00,810 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-21 20:57:00,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:57:00,892 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;@30cd92f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:57:00,892 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-21 20:57:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 128 states have (on average 1.671875) internal successors, (214), 132 states have internal predecessors, (214), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 20:57:00,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 20:57:00,913 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:57:00,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:00,914 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 20:57:00,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:00,926 INFO L85 PathProgramCache]: Analyzing trace with hash 870067896, now seen corresponding path program 1 times [2023-11-21 20:57:00,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:00,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883693978] [2023-11-21 20:57:00,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:00,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:01,212 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 20:57:01,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:01,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883693978] [2023-11-21 20:57:01,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883693978] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:01,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:01,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:57:01,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735317561] [2023-11-21 20:57:01,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:01,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 20:57:01,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:01,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 20:57:01,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 20:57:01,274 INFO L87 Difference]: Start difference. First operand has 150 states, 128 states have (on average 1.671875) internal successors, (214), 132 states have internal predecessors, (214), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:57:03,336 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 20:57:05,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 20:57:07,403 WARN L539 Checker$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 20:57:09,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 20:57:11,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 20:57:11,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:57:11,620 INFO L93 Difference]: Finished difference Result 295 states and 487 transitions. [2023-11-21 20:57:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 20:57:11,625 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-21 20:57:11,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 20:57:11,634 INFO L225 Difference]: With dead ends: 295 [2023-11-21 20:57:11,634 INFO L226 Difference]: Without dead ends: 143 [2023-11-21 20:57:11,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 20:57:11,642 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-11-21 20:57:11,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 4 Unknown, 0 Unchecked, 10.3s Time] [2023-11-21 20:57:11,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-21 20:57:11,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-11-21 20:57:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 122 states have (on average 1.1721311475409837) internal successors, (143), 127 states have internal predecessors, (143), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-21 20:57:11,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2023-11-21 20:57:11,701 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 7 [2023-11-21 20:57:11,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 20:57:11,702 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2023-11-21 20:57:11,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:57:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2023-11-21 20:57:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 20:57:11,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:57:11,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:11,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 20:57:11,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 20:57:11,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:11,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1296453882, now seen corresponding path program 1 times [2023-11-21 20:57:11,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:11,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273604018] [2023-11-21 20:57:11,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:11,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:11,931 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 20:57:11,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:11,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273604018] [2023-11-21 20:57:11,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273604018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:11,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:11,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 20:57:11,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913860724] [2023-11-21 20:57:11,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:11,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 20:57:11,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:11,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 20:57:11,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 20:57:11,936 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:57:13,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:57:13,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:57:13,992 INFO L93 Difference]: Finished difference Result 150 states and 176 transitions. [2023-11-21 20:57:13,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 20:57:13,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-21 20:57:13,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 20:57:13,997 INFO L225 Difference]: With dead ends: 150 [2023-11-21 20:57:13,997 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 20:57:13,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 20:57:14,000 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-21 20:57:14,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-21 20:57:14,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 20:57:14,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 20:57:14,002 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 20:57:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 20:57:14,003 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2023-11-21 20:57:14,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 20:57:14,003 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:57:14,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:57:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 20:57:14,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 20:57:14,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-21 20:57:14,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-11-21 20:57:14,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-11-21 20:57:14,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-11-21 20:57:14,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 20:57:14,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 20:57:14,108 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 949 956) the Hoare annotation is: true [2023-11-21 20:57:14,109 INFO L902 garLoopResultBuilder]: At program point L953(line 953) the Hoare annotation is: true [2023-11-21 20:57:14,109 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 954) no Hoare annotation was computed. [2023-11-21 20:57:14,109 INFO L899 garLoopResultBuilder]: For program point alt_mallocEXIT(lines 949 956) no Hoare annotation was computed. [2023-11-21 20:57:14,110 INFO L899 garLoopResultBuilder]: For program point L952-1(lines 952 954) no Hoare annotation was computed. [2023-11-21 20:57:14,111 INFO L899 garLoopResultBuilder]: For program point L961(line 961) no Hoare annotation was computed. [2023-11-21 20:57:14,111 INFO L899 garLoopResultBuilder]: For program point L960(lines 960 962) no Hoare annotation was computed. [2023-11-21 20:57:14,113 INFO L899 garLoopResultBuilder]: For program point alt_freeEXIT(lines 957 964) no Hoare annotation was computed. [2023-11-21 20:57:14,113 INFO L899 garLoopResultBuilder]: For program point L960-2(lines 960 962) no Hoare annotation was computed. [2023-11-21 20:57:14,113 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 957 964) the Hoare annotation is: true [2023-11-21 20:57:14,113 INFO L899 garLoopResultBuilder]: For program point alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2023-11-21 20:57:14,114 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 20:57:14,114 INFO L899 garLoopResultBuilder]: For program point alt_bzeroEXIT(lines 972 976) no Hoare annotation was computed. [2023-11-21 20:57:14,114 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 972 976) the Hoare annotation is: true [2023-11-21 20:57:14,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2023-11-21 20:57:14,115 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 20:57:14,115 INFO L899 garLoopResultBuilder]: For program point L989-1(lines 989 997) no Hoare annotation was computed. [2023-11-21 20:57:14,115 INFO L899 garLoopResultBuilder]: For program point L989-3(lines 989 997) no Hoare annotation was computed. [2023-11-21 20:57:14,116 INFO L895 garLoopResultBuilder]: At program point L989-4(lines 989 997) the Hoare annotation is: (= (select (select |#memory_int#4| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 20:57:14,116 INFO L899 garLoopResultBuilder]: For program point L989-5(lines 989 997) no Hoare annotation was computed. [2023-11-21 20:57:14,117 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2023-11-21 20:57:14,117 INFO L899 garLoopResultBuilder]: For program point L998-1(lines 998 1006) no Hoare annotation was computed. [2023-11-21 20:57:14,117 INFO L899 garLoopResultBuilder]: For program point L998-3(lines 998 1006) no Hoare annotation was computed. [2023-11-21 20:57:14,117 INFO L895 garLoopResultBuilder]: At program point L998-4(lines 998 1006) the Hoare annotation is: false [2023-11-21 20:57:14,117 INFO L899 garLoopResultBuilder]: For program point L998-5(lines 998 1006) no Hoare annotation was computed. [2023-11-21 20:57:14,118 INFO L899 garLoopResultBuilder]: For program point L996-68(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,118 INFO L902 garLoopResultBuilder]: At program point L996-69(line 996) the Hoare annotation is: true [2023-11-21 20:57:14,118 INFO L899 garLoopResultBuilder]: For program point L996-70(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,119 INFO L895 garLoopResultBuilder]: At program point L996-71(line 996) the Hoare annotation is: (= (select (select |#memory_int#4| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 20:57:14,119 INFO L899 garLoopResultBuilder]: For program point L1001-3(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,119 INFO L895 garLoopResultBuilder]: At program point L1001-4(line 1001) the Hoare annotation is: false [2023-11-21 20:57:14,119 INFO L899 garLoopResultBuilder]: For program point L1001-5(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,119 INFO L899 garLoopResultBuilder]: For program point L999-68(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,120 INFO L895 garLoopResultBuilder]: At program point L1001-6(line 1001) the Hoare annotation is: false [2023-11-21 20:57:14,120 INFO L895 garLoopResultBuilder]: At program point L999-69(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,121 INFO L899 garLoopResultBuilder]: For program point L1001-7(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,121 INFO L899 garLoopResultBuilder]: For program point L999-70(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,121 INFO L895 garLoopResultBuilder]: At program point L999-71(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,121 INFO L899 garLoopResultBuilder]: For program point L1001-12(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,122 INFO L899 garLoopResultBuilder]: For program point L996-170(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,122 INFO L899 garLoopResultBuilder]: For program point L1001-15(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,122 INFO L895 garLoopResultBuilder]: At program point L996-171(line 996) the Hoare annotation is: (= (select (select |#memory_int#4| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 20:57:14,122 INFO L895 garLoopResultBuilder]: At program point L1001-16(line 1001) the Hoare annotation is: false [2023-11-21 20:57:14,122 INFO L899 garLoopResultBuilder]: For program point L996-172(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,123 INFO L899 garLoopResultBuilder]: For program point L1001-17(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,123 INFO L899 garLoopResultBuilder]: For program point L996-173(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,124 INFO L895 garLoopResultBuilder]: At program point L996-174(line 996) the Hoare annotation is: (= (select (select |#memory_int#4| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 20:57:14,124 INFO L899 garLoopResultBuilder]: For program point L996-175(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,125 INFO L895 garLoopResultBuilder]: At program point L996-176(line 996) the Hoare annotation is: (= (select (select |#memory_int#4| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 20:57:14,125 INFO L899 garLoopResultBuilder]: For program point L996-178(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,125 INFO L899 garLoopResultBuilder]: For program point L996-180(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,125 INFO L899 garLoopResultBuilder]: For program point L996-181(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,125 INFO L899 garLoopResultBuilder]: For program point L1001-26(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,126 INFO L895 garLoopResultBuilder]: At program point L1001-27(line 1001) the Hoare annotation is: false [2023-11-21 20:57:14,126 INFO L895 garLoopResultBuilder]: At program point L996-183(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,126 INFO L899 garLoopResultBuilder]: For program point L996-184(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,126 INFO L895 garLoopResultBuilder]: At program point L996-185(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,127 INFO L899 garLoopResultBuilder]: For program point L996-186(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,127 INFO L899 garLoopResultBuilder]: For program point L996-187(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,130 INFO L895 garLoopResultBuilder]: At program point L996-188(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,130 INFO L899 garLoopResultBuilder]: For program point L996-189(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,131 INFO L895 garLoopResultBuilder]: At program point L996-191(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,131 INFO L899 garLoopResultBuilder]: For program point L996-192(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,131 INFO L899 garLoopResultBuilder]: For program point L996-193(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,131 INFO L899 garLoopResultBuilder]: For program point L1001-38(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,131 INFO L895 garLoopResultBuilder]: At program point L996-194(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,131 INFO L895 garLoopResultBuilder]: At program point L1001-39(line 1001) the Hoare annotation is: false [2023-11-21 20:57:14,131 INFO L899 garLoopResultBuilder]: For program point L996-195(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,132 INFO L899 garLoopResultBuilder]: For program point L1001-40(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,132 INFO L899 garLoopResultBuilder]: For program point L1001-41(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,132 INFO L899 garLoopResultBuilder]: For program point L1001-42(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,132 INFO L899 garLoopResultBuilder]: For program point L996-198(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,132 INFO L895 garLoopResultBuilder]: At program point L1001-43(line 1001) the Hoare annotation is: false [2023-11-21 20:57:14,132 INFO L895 garLoopResultBuilder]: At program point L996-199(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,132 INFO L899 garLoopResultBuilder]: For program point L1001-44(line 1001) no Hoare annotation was computed. [2023-11-21 20:57:14,132 INFO L899 garLoopResultBuilder]: For program point L996-207(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,133 INFO L895 garLoopResultBuilder]: At program point L996-208(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,133 INFO L899 garLoopResultBuilder]: For program point L996-215(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,133 INFO L895 garLoopResultBuilder]: At program point L996-217(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,133 INFO L899 garLoopResultBuilder]: For program point L996-218(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,133 INFO L899 garLoopResultBuilder]: For program point L996-219(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,133 INFO L895 garLoopResultBuilder]: At program point L996-221(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,133 INFO L899 garLoopResultBuilder]: For program point L996-222(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,133 INFO L899 garLoopResultBuilder]: For program point L996-232(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,134 INFO L899 garLoopResultBuilder]: For program point L996-242(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,134 INFO L895 garLoopResultBuilder]: At program point L996-243(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,134 INFO L899 garLoopResultBuilder]: For program point L996-244(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,134 INFO L899 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2023-11-21 20:57:14,134 INFO L895 garLoopResultBuilder]: At program point L996-253(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,134 INFO L895 garLoopResultBuilder]: At program point L996-255(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,134 INFO L899 garLoopResultBuilder]: For program point L996-256(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,135 INFO L895 garLoopResultBuilder]: At program point L996-257(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,135 INFO L899 garLoopResultBuilder]: For program point L996-258(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,135 INFO L899 garLoopResultBuilder]: For program point L999-170(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,135 INFO L899 garLoopResultBuilder]: For program point L996-264(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,135 INFO L895 garLoopResultBuilder]: At program point L999-171(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,135 INFO L899 garLoopResultBuilder]: For program point L996-265(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,135 INFO L899 garLoopResultBuilder]: For program point L999-172(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,135 INFO L895 garLoopResultBuilder]: At program point L996-266(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,136 INFO L899 garLoopResultBuilder]: For program point L999-173(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,136 INFO L895 garLoopResultBuilder]: At program point L999-174(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,136 INFO L899 garLoopResultBuilder]: For program point L996-268(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,136 INFO L899 garLoopResultBuilder]: For program point L999-175(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,136 INFO L899 garLoopResultBuilder]: For program point L996-269(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,136 INFO L895 garLoopResultBuilder]: At program point L999-176(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,137 INFO L895 garLoopResultBuilder]: At program point L996-270(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,137 INFO L899 garLoopResultBuilder]: For program point L996-271(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,137 INFO L899 garLoopResultBuilder]: For program point L999-178(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,137 INFO L899 garLoopResultBuilder]: For program point L996-272(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,137 INFO L895 garLoopResultBuilder]: At program point L996-273(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,138 INFO L899 garLoopResultBuilder]: For program point L996-274(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,138 INFO L895 garLoopResultBuilder]: At program point L996-275(line 996) the Hoare annotation is: false [2023-11-21 20:57:14,138 INFO L899 garLoopResultBuilder]: For program point L996-276(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,138 INFO L899 garLoopResultBuilder]: For program point L996-277(line 996) no Hoare annotation was computed. [2023-11-21 20:57:14,138 INFO L895 garLoopResultBuilder]: At program point L996-278(line 996) the Hoare annotation is: (= (select (select |#memory_int#4| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 20:57:14,138 INFO L899 garLoopResultBuilder]: For program point L999-185(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,139 INFO L895 garLoopResultBuilder]: At program point L999-186(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,139 INFO L899 garLoopResultBuilder]: For program point L999-187(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,139 INFO L899 garLoopResultBuilder]: For program point L999-188(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,139 INFO L899 garLoopResultBuilder]: For program point L999-190(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,139 INFO L895 garLoopResultBuilder]: At program point L999-191(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,139 INFO L899 garLoopResultBuilder]: For program point L999-197(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,139 INFO L899 garLoopResultBuilder]: For program point L999-198(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,140 INFO L899 garLoopResultBuilder]: For program point L999-201(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,140 INFO L899 garLoopResultBuilder]: For program point L999-202(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,140 INFO L899 garLoopResultBuilder]: For program point L999-204(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,140 INFO L895 garLoopResultBuilder]: At program point L999-205(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,140 INFO L895 garLoopResultBuilder]: At program point L999-207(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,140 INFO L899 garLoopResultBuilder]: For program point L999-208(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,140 INFO L895 garLoopResultBuilder]: At program point L999-209(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,141 INFO L899 garLoopResultBuilder]: For program point L999-211(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,141 INFO L899 garLoopResultBuilder]: For program point L999-213(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,141 INFO L895 garLoopResultBuilder]: At program point L999-214(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,141 INFO L899 garLoopResultBuilder]: For program point L999-215(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,141 INFO L899 garLoopResultBuilder]: For program point L999-216(line 999) no Hoare annotation was computed. [2023-11-21 20:57:14,141 INFO L895 garLoopResultBuilder]: At program point L999-217(line 999) the Hoare annotation is: false [2023-11-21 20:57:14,141 INFO L899 garLoopResultBuilder]: For program point L999-218(lines 998 1006) no Hoare annotation was computed. [2023-11-21 20:57:14,142 INFO L895 garLoopResultBuilder]: At program point L1007-3(lines 1007 1009) the Hoare annotation is: false [2023-11-21 20:57:14,142 INFO L895 garLoopResultBuilder]: At program point L1007-4(lines 1007 1009) the Hoare annotation is: false [2023-11-21 20:57:14,142 INFO L899 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2023-11-21 20:57:14,142 INFO L895 garLoopResultBuilder]: At program point L1010(line 1010) the Hoare annotation is: false [2023-11-21 20:57:14,142 INFO L895 garLoopResultBuilder]: At program point L1011(line 1011) the Hoare annotation is: false [2023-11-21 20:57:14,142 INFO L899 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2023-11-21 20:57:14,142 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 20:57:14,143 INFO L899 garLoopResultBuilder]: For program point L939(line 939) no Hoare annotation was computed. [2023-11-21 20:57:14,143 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 940) no Hoare annotation was computed. [2023-11-21 20:57:14,143 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 937 941) no Hoare annotation was computed. [2023-11-21 20:57:14,143 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 937 941) the Hoare annotation is: true [2023-11-21 20:57:14,143 INFO L899 garLoopResultBuilder]: For program point L938-2(lines 937 941) no Hoare annotation was computed. [2023-11-21 20:57:14,143 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 939) no Hoare annotation was computed. [2023-11-21 20:57:14,147 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 20:57:14,149 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 20:57:14,171 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 20:57:14,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 20:57:14,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 20:57:14,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 20:57:14,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 20:57:14,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 20:57:14,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 08:57:14 BoogieIcfgContainer [2023-11-21 20:57:14,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 20:57:14,178 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 20:57:14,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 20:57:14,178 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 20:57:14,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:00" (3/4) ... [2023-11-21 20:57:14,182 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 20:57:14,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_malloc [2023-11-21 20:57:14,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 20:57:14,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_free [2023-11-21 20:57:14,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_bzero [2023-11-21 20:57:14,221 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 245 nodes and edges [2023-11-21 20:57:14,225 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2023-11-21 20:57:14,228 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 20:57:14,231 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 20:57:14,511 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 20:57:14,511 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 20:57:14,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 20:57:14,518 INFO L158 Benchmark]: Toolchain (without parser) took 19524.65ms. Allocated memory was 138.4MB in the beginning and 243.3MB in the end (delta: 104.9MB). Free memory was 103.7MB in the beginning and 93.7MB in the end (delta: 10.1MB). Peak memory consumption was 116.3MB. Max. memory is 16.1GB. [2023-11-21 20:57:14,519 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:14,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1323.70ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 103.7MB in the beginning and 128.3MB in the end (delta: -24.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-11-21 20:57:14,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 194.29ms. Allocated memory is still 167.8MB. Free memory was 128.3MB in the beginning and 119.1MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 20:57:14,520 INFO L158 Benchmark]: Boogie Preprocessor took 287.58ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 99.4MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 20:57:14,521 INFO L158 Benchmark]: RCFGBuilder took 3973.74ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 99.4MB in the beginning and 185.9MB in the end (delta: -86.5MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2023-11-21 20:57:14,521 INFO L158 Benchmark]: TraceAbstraction took 13400.30ms. Allocated memory is still 243.3MB. Free memory was 184.9MB in the beginning and 115.7MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2023-11-21 20:57:14,521 INFO L158 Benchmark]: Witness Printer took 333.77ms. Allocated memory is still 243.3MB. Free memory was 115.7MB in the beginning and 93.7MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 20:57:14,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1323.70ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 103.7MB in the beginning and 128.3MB in the end (delta: -24.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 194.29ms. Allocated memory is still 167.8MB. Free memory was 128.3MB in the beginning and 119.1MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 287.58ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 99.4MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3973.74ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 99.4MB in the beginning and 185.9MB in the end (delta: -86.5MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * TraceAbstraction took 13400.30ms. Allocated memory is still 243.3MB. Free memory was 184.9MB in the beginning and 115.7MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Witness Printer took 333.77ms. Allocated memory is still 243.3MB. Free memory was 115.7MB in the beginning and 93.7MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#i~0!base][~#i~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 961]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1008]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 939]: 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 5 procedures, 150 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 13.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 12.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 12.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 145 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 86 PreInvPairs, 93 NumberOfFragments, 89 HoareAnnotationTreeSize, 86 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 4 specifications checked. All of them hold - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1007]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-21 20:57:14,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7f4ebe6-94a6-4724-ab45-56a6afa0bcb9/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