./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-42.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_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/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_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/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_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/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 50c37bde9278eab1809caec3e26685a471aa2f6bca248c9ca7684bcb902cbec2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:22:54,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:22:54,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:22:54,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:22:54,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:22:55,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:22:55,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:22:55,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:22:55,016 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:22:55,022 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:22:55,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:22:55,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:22:55,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:22:55,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:22:55,028 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:22:55,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:22:55,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:22:55,030 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:22:55,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:22:55,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:22:55,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:22:55,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:22:55,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:22:55,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:22:55,035 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:22:55,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:22:55,036 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:22:55,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:22:55,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:22:55,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:22:55,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:22:55,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:55,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:22:55,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:22:55,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:22:55,042 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:22:55,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:22:55,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:22:55,043 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:22:55,043 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:22:55,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:22:55,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:22:55,044 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_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50c37bde9278eab1809caec3e26685a471aa2f6bca248c9ca7684bcb902cbec2 [2023-11-21 22:22:55,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:22:55,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:22:55,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:22:55,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:22:55,400 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:22:55,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-42.i [2023-11-21 22:22:58,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:22:58,990 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:22:58,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-42.i [2023-11-21 22:22:59,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/data/4a1f7e637/4c8fffa12d654bb0beca5231297ece82/FLAGef2dd3b50 [2023-11-21 22:22:59,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/data/4a1f7e637/4c8fffa12d654bb0beca5231297ece82 [2023-11-21 22:22:59,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:22:59,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:22:59,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:59,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:22:59,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:22:59,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2178c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59, skipping insertion in model container [2023-11-21 22:22:59,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,081 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:22:59,315 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_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-42.i[916,929] [2023-11-21 22:22:59,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:59,461 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:22:59,477 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_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-42.i[916,929] [2023-11-21 22:22:59,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:59,549 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:22:59,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59 WrapperNode [2023-11-21 22:22:59,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:59,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:59,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:22:59,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:22:59,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,672 INFO L138 Inliner]: procedures = 29, calls = 141, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 383 [2023-11-21 22:22:59,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:59,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:22:59,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:22:59,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:22:59,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,715 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,738 INFO L187 HeapSplitter]: Split 115 memory accesses to 5 slices as follows [2, 40, 21, 9, 43] [2023-11-21 22:22:59,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:22:59,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:22:59,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:22:59,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:22:59,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (1/1) ... [2023-11-21 22:22:59,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:59,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:59,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:59,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:22:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:22:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-21 22:22:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-21 22:22:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-21 22:22:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-21 22:22:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-21 22:22:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:22:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:22:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:22:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 22:22:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 22:22:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-21 22:22:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-21 22:22:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-21 22:22:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-21 22:22:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-21 22:22:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:22:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:22:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:22:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 22:22:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 22:22:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-21 22:22:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-21 22:22:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-21 22:22:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-21 22:22:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-21 22:22:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:22:59,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:22:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:22:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:22:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:22:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:22:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 22:22:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:22:59,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:23:00,129 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:23:00,132 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:23:00,778 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:23:01,709 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:23:01,709 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:23:01,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:01 BoogieIcfgContainer [2023-11-21 22:23:01,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:23:01,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:23:01,715 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:23:01,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:23:01,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:22:59" (1/3) ... [2023-11-21 22:23:01,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7a8c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:01, skipping insertion in model container [2023-11-21 22:23:01,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:59" (2/3) ... [2023-11-21 22:23:01,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7a8c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:01, skipping insertion in model container [2023-11-21 22:23:01,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:01" (3/3) ... [2023-11-21 22:23:01,724 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-42.i [2023-11-21 22:23:01,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:23:01,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:23:01,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:23:01,822 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;@c3d18c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:23:01,822 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:23:01,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-21 22:23:01,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 22:23:01,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:23:01,836 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:01,837 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:23:01,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:01,860 INFO L85 PathProgramCache]: Analyzing trace with hash 832722875, now seen corresponding path program 1 times [2023-11-21 22:23:01,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:01,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727421288] [2023-11-21 22:23:01,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:01,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:15,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:23:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:15,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:23:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:15,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:23:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:15,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:23:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:23:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:15,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:23:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:16,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-21 22:23:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:16,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-21 22:23:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:16,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-21 22:23:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-21 22:23:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:16,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-21 22:23:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:16,117 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-21 22:23:16,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:16,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727421288] [2023-11-21 22:23:16,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727421288] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:23:16,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292325180] [2023-11-21 22:23:16,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:16,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:23:16,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:16,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:23:16,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:23:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:16,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 90 conjunts are in the unsatisfiable core [2023-11-21 22:23:16,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:17,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-21 22:23:17,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:23:17,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2023-11-21 22:23:17,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:23:17,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 37 [2023-11-21 22:23:22,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 738 treesize of output 714 [2023-11-21 22:23:22,772 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:23:22,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 220 treesize of output 210 [2023-11-21 22:23:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 82 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 22:23:23,586 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:23:27,029 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:23:27,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 205 treesize of output 195 [2023-11-21 22:23:29,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2023-11-21 22:23:29,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2023-11-21 22:23:32,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 144 [2023-11-21 22:23:33,824 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 20 proven. 19 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-21 22:23:33,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292325180] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:23:33,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:23:33,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 19] total 48 [2023-11-21 22:23:33,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490643439] [2023-11-21 22:23:33,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:23:33,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-21 22:23:33,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:33,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-21 22:23:33,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=459, Invalid=1797, Unknown=0, NotChecked=0, Total=2256 [2023-11-21 22:23:33,896 INFO L87 Difference]: Start difference. First operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 48 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 43 states have internal predecessors, (57), 30 states have call successors, (33), 6 states have call predecessors, (33), 15 states have return successors, (33), 20 states have call predecessors, (33), 30 states have call successors, (33) [2023-11-21 22:23:36,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:23:36,988 INFO L93 Difference]: Finished difference Result 109 states and 135 transitions. [2023-11-21 22:23:36,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-21 22:23:36,992 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 43 states have internal predecessors, (57), 30 states have call successors, (33), 6 states have call predecessors, (33), 15 states have return successors, (33), 20 states have call predecessors, (33), 30 states have call successors, (33) Word has length 48 [2023-11-21 22:23:36,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:23:37,003 INFO L225 Difference]: With dead ends: 109 [2023-11-21 22:23:37,004 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:23:37,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1088, Invalid=4462, Unknown=0, NotChecked=0, Total=5550 [2023-11-21 22:23:37,024 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 31 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-21 22:23:37,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 64 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-21 22:23:37,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:23:37,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:23:37,053 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 22:23:37,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:23:37,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2023-11-21 22:23:37,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:23:37,056 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:23:37,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 43 states have internal predecessors, (57), 30 states have call successors, (33), 6 states have call predecessors, (33), 15 states have return successors, (33), 20 states have call predecessors, (33), 30 states have call successors, (33) [2023-11-21 22:23:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:23:37,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:23:37,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:23:37,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:37,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:23:37,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:23:37,639 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 22:23:37,639 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 22:23:37,639 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 22:23:37,639 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 22:23:37,640 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 22:23:37,640 INFO L895 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (<= (mod (select .cse0 1) 256) 0) (<= (mod (select .cse0 3) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) [2023-11-21 22:23:37,640 INFO L899 garLoopResultBuilder]: For program point L69-1(line 69) no Hoare annotation was computed. [2023-11-21 22:23:37,640 INFO L895 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (<= (mod (select .cse0 1) 256) 0) (= |ULTIMATE.start_updateVariables_#t~mem51#1| (select .cse0 2)) (<= (mod (select .cse0 3) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) [2023-11-21 22:23:37,640 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2023-11-21 22:23:37,641 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (<= (mod (select .cse0 1) 256) 0) (<= (mod (select .cse0 3) 256) 0) (<= (mod (select .cse0 2) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) [2023-11-21 22:23:37,641 INFO L899 garLoopResultBuilder]: For program point L72-1(line 72) no Hoare annotation was computed. [2023-11-21 22:23:37,641 INFO L895 garLoopResultBuilder]: At program point L89-2(lines 89 95) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (<= (mod (select .cse0 1) 256) 0) (<= (mod (select .cse0 5) 256) 0) (<= (mod (select .cse0 3) 256) 0) (<= (mod (select .cse0 2) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (<= (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256) 127))) [2023-11-21 22:23:37,641 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (<= (mod (select .cse0 1) 256) 0) (= |ULTIMATE.start_updateVariables_#t~mem54#1| (select .cse0 5)) (<= (mod (select .cse0 3) 256) 0) (<= (mod (select .cse0 2) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) [2023-11-21 22:23:37,641 INFO L899 garLoopResultBuilder]: For program point L73-1(line 73) no Hoare annotation was computed. [2023-11-21 22:23:37,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:23:37,642 INFO L895 garLoopResultBuilder]: At program point L75-8(line 75) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (<= (mod (select .cse0 1) 256) 0) (<= (mod (select .cse0 5) 256) 0) (<= (mod (select .cse0 3) 256) 0) (<= (mod (select .cse0 2) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) [2023-11-21 22:23:37,642 INFO L899 garLoopResultBuilder]: For program point L75-9(line 75) no Hoare annotation was computed. [2023-11-21 22:23:37,642 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (<= (mod (select .cse0 1) 256) 0) (<= (mod (select .cse0 5) 256) 0) (<= (mod (select .cse0 3) 256) 0) (<= (mod (select .cse0 2) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) [2023-11-21 22:23:37,642 INFO L899 garLoopResultBuilder]: For program point L77-1(line 77) no Hoare annotation was computed. [2023-11-21 22:23:37,642 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (= |ULTIMATE.start_updateVariables_#t~mem65#1| (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|)) (<= (mod (select .cse0 1) 256) 0) (<= (mod (select .cse0 5) 256) 0) (<= (mod (select .cse0 3) 256) 0) (<= (mod (select .cse0 2) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) [2023-11-21 22:23:37,642 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-11-21 22:23:37,643 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:23:37,643 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) [2023-11-21 22:23:37,643 INFO L899 garLoopResultBuilder]: For program point L63-1(line 63) no Hoare annotation was computed. [2023-11-21 22:23:37,643 INFO L895 garLoopResultBuilder]: At program point L64(line 64) the Hoare annotation is: (and (= |ULTIMATE.start_updateVariables_#t~mem45#1| (select (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|) 3)) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0)) [2023-11-21 22:23:37,643 INFO L899 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2023-11-21 22:23:37,643 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 22:23:37,643 INFO L895 garLoopResultBuilder]: At program point L66(line 66) the Hoare annotation is: (and (<= (mod (select (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|) 3) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0)) [2023-11-21 22:23:37,644 INFO L899 garLoopResultBuilder]: For program point L66-1(line 66) no Hoare annotation was computed. [2023-11-21 22:23:37,644 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (= |ULTIMATE.start_updateVariables_#t~mem48#1| (select .cse0 1)) (<= (mod (select .cse0 3) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) [2023-11-21 22:23:37,644 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-21 22:23:37,648 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:23:37,650 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:23:37,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][1] could not be translated [2023-11-21 22:23:37,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][5] could not be translated [2023-11-21 22:23:37,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][3] could not be translated [2023-11-21 22:23:37,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][2] could not be translated [2023-11-21 22:23:37,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-21 22:23:37,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:23:37 BoogieIcfgContainer [2023-11-21 22:23:37,667 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:23:37,668 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:23:37,668 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:23:37,668 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:23:37,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:01" (3/4) ... [2023-11-21 22:23:37,670 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:23:37,674 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 22:23:37,686 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2023-11-21 22:23:37,687 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-21 22:23:37,688 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:23:37,689 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:23:37,847 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:23:37,847 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:23:37,847 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:23:37,848 INFO L158 Benchmark]: Toolchain (without parser) took 38822.76ms. Allocated memory was 159.4MB in the beginning and 966.8MB in the end (delta: 807.4MB). Free memory was 129.8MB in the beginning and 574.3MB in the end (delta: -444.5MB). Peak memory consumption was 363.2MB. Max. memory is 16.1GB. [2023-11-21 22:23:37,848 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 159.4MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:37,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.85ms. Allocated memory is still 159.4MB. Free memory was 129.4MB in the beginning and 115.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:23:37,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.14ms. Allocated memory is still 159.4MB. Free memory was 115.1MB in the beginning and 110.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:23:37,850 INFO L158 Benchmark]: Boogie Preprocessor took 123.98ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 106.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:23:37,850 INFO L158 Benchmark]: RCFGBuilder took 1913.06ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 106.1MB in the beginning and 98.0MB in the end (delta: 8.1MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2023-11-21 22:23:37,851 INFO L158 Benchmark]: TraceAbstraction took 35951.97ms. Allocated memory was 211.8MB in the beginning and 966.8MB in the end (delta: 755.0MB). Free memory was 96.9MB in the beginning and 584.8MB in the end (delta: -487.9MB). Peak memory consumption was 266.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:37,851 INFO L158 Benchmark]: Witness Printer took 179.79ms. Allocated memory is still 966.8MB. Free memory was 584.8MB in the beginning and 574.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:23:37,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 159.4MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.85ms. Allocated memory is still 159.4MB. Free memory was 129.4MB in the beginning and 115.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.14ms. Allocated memory is still 159.4MB. Free memory was 115.1MB in the beginning and 110.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.98ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 106.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1913.06ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 106.1MB in the beginning and 98.0MB in the end (delta: 8.1MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * TraceAbstraction took 35951.97ms. Allocated memory was 211.8MB in the beginning and 966.8MB in the end (delta: 755.0MB). Free memory was 96.9MB in the beginning and 584.8MB in the end (delta: -487.9MB). Peak memory consumption was 266.1MB. Max. memory is 16.1GB. * Witness Printer took 179.79ms. Allocated memory is still 966.8MB. Free memory was 584.8MB in the beginning and 574.3MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!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: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.9s, OverallIterations: 1, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 681 IncrementalHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 14 mSDtfsCounter, 681 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 45 PreInvPairs, 69 NumberOfFragments, 344 HoareAnnotationTreeSize, 45 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 1539 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 30.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 4018 SizeOfPredicates, 35 NumberOfNonLiveVariables, 314 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 278/330 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: 89]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-21 22:23:37,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecfca2c-cfe4-49a0-b4d7-d3502d9966af/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