./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c36dfa3b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash 361bd2b52d69acc79135737d48d0d1004516ca1cf417ed92bc1b0911609b51f5 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 14:32:15,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 14:32:15,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 14:32:15,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 14:32:15,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 14:32:15,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 14:32:15,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 14:32:15,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 14:32:15,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 14:32:15,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 14:32:15,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 14:32:15,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 14:32:15,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 14:32:15,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 14:32:15,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 14:32:15,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 14:32:15,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 14:32:15,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 14:32:15,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 14:32:15,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 14:32:15,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 14:32:15,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 14:32:15,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 14:32:15,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 14:32:15,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 14:32:15,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 14:32:15,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 14:32:15,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 14:32:15,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 14:32:15,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 14:32:15,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 14:32:15,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 14:32:15,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 14:32:15,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 14:32:15,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 14:32:15,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 14:32:15,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 14:32:15,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 14:32:15,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 14:32:15,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 14:32:15,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 14:32:15,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 14:32:15,832 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 14:32:15,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 14:32:15,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 14:32:15,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 14:32:15,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 14:32:15,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 14:32:15,834 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 14:32:15,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 14:32:15,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 14:32:15,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 14:32:15,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 14:32:15,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 14:32:15,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 14:32:15,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 14:32:15,836 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 14:32:15,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 14:32:15,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 14:32:15,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 14:32:15,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 14:32:15,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 14:32:15,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 14:32:15,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 14:32:15,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 14:32:15,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 14:32:15,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 14:32:15,838 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 14:32:15,838 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 14:32:15,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 14:32:15,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 14:32:15,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 361bd2b52d69acc79135737d48d0d1004516ca1cf417ed92bc1b0911609b51f5 [2021-11-04 14:32:15,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 14:32:16,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 14:32:16,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 14:32:16,012 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 14:32:16,013 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 14:32:16,014 INFO L432 ainManager$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--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2021-11-04 14:32:16,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b130771d/0ac9b8c5783940ba878249db79df3249/FLAG450f228a2 [2021-11-04 14:32:17,177 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 14:32:17,178 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--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2021-11-04 14:32:17,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b130771d/0ac9b8c5783940ba878249db79df3249/FLAG450f228a2 [2021-11-04 14:32:17,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b130771d/0ac9b8c5783940ba878249db79df3249 [2021-11-04 14:32:17,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 14:32:17,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 14:32:17,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 14:32:17,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 14:32:17,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 14:32:17,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:32:17" (1/1) ... [2021-11-04 14:32:17,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c7feea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:17, skipping insertion in model container [2021-11-04 14:32:17,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:32:17" (1/1) ... [2021-11-04 14:32:17,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 14:32:17,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 14:32:22,054 WARN L228 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--vfio--pci--vfio-pci.ko-entry_point.cil.out.i[2481199,2481212] [2021-11-04 14:32:22,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 14:32:22,170 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 14:32:23,625 WARN L228 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--vfio--pci--vfio-pci.ko-entry_point.cil.out.i[2481199,2481212] [2021-11-04 14:32:23,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 14:32:23,743 INFO L208 MainTranslator]: Completed translation [2021-11-04 14:32:23,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:23 WrapperNode [2021-11-04 14:32:23,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 14:32:23,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 14:32:23,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 14:32:23,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 14:32:23,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:23" (1/1) ... [2021-11-04 14:32:24,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:23" (1/1) ... [2021-11-04 14:32:30,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 14:32:30,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 14:32:30,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 14:32:30,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 14:32:30,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:23" (1/1) ... [2021-11-04 14:32:30,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:23" (1/1) ... [2021-11-04 14:32:32,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:23" (1/1) ... [2021-11-04 14:32:32,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:23" (1/1) ... [2021-11-04 14:32:35,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:23" (1/1) ... [2021-11-04 14:32:40,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:23" (1/1) ... [2021-11-04 14:32:40,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:23" (1/1) ... [2021-11-04 14:32:43,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 14:32:43,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 14:32:43,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 14:32:43,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 14:32:43,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:32:23" (1/1) ... [2021-11-04 14:32:43,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 14:32:43,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 14:32:44,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-04 14:32:44,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-04 14:32:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 14:32:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 14:32:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 14:32:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 14:32:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 14:32:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 14:32:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 14:32:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 14:32:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 14:32:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 14:32:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 14:32:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-04 14:32:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 14:32:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 14:32:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 14:32:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start