/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--cisco--enic--enic.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 14:55:55,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 14:55:55,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 14:55:56,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 14:55:56,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 14:55:56,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 14:55:56,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 14:55:56,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 14:55:56,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 14:55:56,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 14:55:56,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 14:55:56,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 14:55:56,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 14:55:56,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 14:55:56,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 14:55:56,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 14:55:56,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 14:55:56,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 14:55:56,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 14:55:56,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 14:55:56,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 14:55:56,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 14:55:56,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 14:55:56,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 14:55:56,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 14:55:56,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 14:55:56,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 14:55:56,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 14:55:56,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 14:55:56,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 14:55:56,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 14:55:56,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 14:55:56,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 14:55:56,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 14:55:56,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 14:55:56,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 14:55:56,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 14:55:56,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 14:55:56,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 14:55:56,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 14:55:56,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 14:55:56,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 14:55:56,172 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 14:55:56,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 14:55:56,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 14:55:56,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 14:55:56,179 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 14:55:56,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 14:55:56,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 14:55:56,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 14:55:56,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 14:55:56,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 14:55:56,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 14:55:56,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 14:55:56,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 14:55:56,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 14:55:56,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 14:55:56,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 14:55:56,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 14:55:56,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:55:56,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 14:55:56,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 14:55:56,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 14:55:56,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 14:55:56,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 14:55:56,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 14:55:56,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 14:55:56,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 14:55:56,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 14:55:56,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 14:55:56,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 14:55:56,663 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 14:55:56,663 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 14:55:56,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--cisco--enic--enic.ko-entry_point.cil.out.i [2020-12-22 14:55:56,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8095e0237/651dab27934847e3b8900a2691d206b4/FLAG2edb124af [2020-12-22 14:55:58,067 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 14:55:58,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--cisco--enic--enic.ko-entry_point.cil.out.i [2020-12-22 14:55:58,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8095e0237/651dab27934847e3b8900a2691d206b4/FLAG2edb124af [2020-12-22 14:55:58,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8095e0237/651dab27934847e3b8900a2691d206b4 [2020-12-22 14:55:58,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 14:55:58,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 14:55:58,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 14:55:58,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 14:55:58,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 14:55:58,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:55:58" (1/1) ... [2020-12-22 14:55:58,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754c0ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:55:58, skipping insertion in model container [2020-12-22 14:55:58,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:55:58" (1/1) ... [2020-12-22 14:55:58,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 14:55:58,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 14:56:06,929 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--cisco--enic--enic.ko-entry_point.cil.out.i[613533,613546] [2020-12-22 14:56:07,041 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-12-22 14:56:07,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:56:07,205 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 14:56:08,407 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--cisco--enic--enic.ko-entry_point.cil.out.i[613533,613546] [2020-12-22 14:56:08,419 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-12-22 14:56:08,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:56:10,685 INFO L208 MainTranslator]: Completed translation [2020-12-22 14:56:10,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:56:10 WrapperNode [2020-12-22 14:56:10,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 14:56:10,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 14:56:10,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 14:56:10,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 14:56:10,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:56:10" (1/1) ... [2020-12-22 14:56:10,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:56:10" (1/1) ... [2020-12-22 14:56:20,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 14:56:20,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 14:56:20,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 14:56:20,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 14:56:20,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:56:10" (1/1) ... [2020-12-22 14:56:20,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:56:10" (1/1) ... [2020-12-22 14:56:23,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:56:10" (1/1) ... [2020-12-22 14:56:23,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:56:10" (1/1) ... [2020-12-22 14:56:28,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:56:10" (1/1) ... [2020-12-22 14:56:29,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:56:10" (1/1) ... [2020-12-22 14:56:30,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:56:10" (1/1) ... [2020-12-22 14:56:32,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 14:56:32,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 14:56:32,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 14:56:32,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 14:56:32,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:56:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:56:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2020-12-22 14:56:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2020-12-22 14:56:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-12-22 14:56:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2020-12-22 14:56:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2020-12-22 14:56:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2020-12-22 14:56:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2020-12-22 14:56:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 14:56:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:56:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:56:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 14:56:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2020-12-22 14:56:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 14:56:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 14:56:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 14:56:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 14:56:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2020-12-22 14:56:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2020-12-22 14:56:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 14:56:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2020-12-22 14:56:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 14:56:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 14:56:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 14:56:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2020-12-22 14:56:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 14:56:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 14:56:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 14:56:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:56:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:56:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2020-12-22 14:56:33,119 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2020-12-22 14:56:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2020-12-22 14:56:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 14:56:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 14:56:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2020-12-22 14:56:33,119 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2020-12-22 14:56:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure enic_busy_poll [2020-12-22 14:56:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_busy_poll [2020-12-22 14:56:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2020-12-22 14:56:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2020-12-22 14:56:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:56:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:56:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int