./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--net--irda--via-ircc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ --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 f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:30:35,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:30:35,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:30:35,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:30:35,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:30:35,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:30:35,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:30:35,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:30:35,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:30:35,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:30:35,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:30:35,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:30:35,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:30:35,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:30:35,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:30:35,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:30:35,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:30:35,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:30:35,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:30:35,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:30:35,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:30:35,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:30:35,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:30:35,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:30:35,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:30:35,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:30:35,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:30:35,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:30:35,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:30:35,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:30:35,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:30:35,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:30:35,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:30:35,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:30:35,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:30:35,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:30:35,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:30:35,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:30:35,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:30:35,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:30:35,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:30:35,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:30:35,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:30:35,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:30:35,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:30:35,834 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:30:35,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:30:35,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:30:35,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:30:35,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:30:35,836 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:30:35,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:30:35,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:30:35,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:30:35,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:30:35,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:30:35,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:30:35,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:30:35,838 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:30:35,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:30:35,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:30:35,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:30:35,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:30:35,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:30:35,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:30:35,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:30:35,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:30:35,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:30:35,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:30:35,841 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:30:35,841 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:30:35,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:30:35,841 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 [2022-10-17 10:30:36,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:30:36,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:30:36,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:30:36,151 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:30:36,151 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:30:36,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-10-17 10:30:36,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/data/815892a35/9a8c360fc6944addab0d1ef959f3353f/FLAG8d004de00 [2022-10-17 10:30:37,077 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:30:37,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-10-17 10:30:37,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/data/815892a35/9a8c360fc6944addab0d1ef959f3353f/FLAG8d004de00 [2022-10-17 10:30:37,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/data/815892a35/9a8c360fc6944addab0d1ef959f3353f [2022-10-17 10:30:37,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:30:37,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:30:37,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:37,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:30:37,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:30:37,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:37" (1/1) ... [2022-10-17 10:30:37,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71597fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:37, skipping insertion in model container [2022-10-17 10:30:37,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:37" (1/1) ... [2022-10-17 10:30:37,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:30:37,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:30:39,765 WARN L230 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_9588104e-8d4e-46e8-a049-298505c26cd4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-10-17 10:30:39,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:39,878 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:30:40,339 WARN L230 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_9588104e-8d4e-46e8-a049-298505c26cd4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-10-17 10:30:40,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:40,476 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:30:40,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40 WrapperNode [2022-10-17 10:30:40,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:40,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:40,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:30:40,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:30:40,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (1/1) ... [2022-10-17 10:30:40,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (1/1) ... [2022-10-17 10:30:40,926 INFO L138 Inliner]: procedures = 237, calls = 2052, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 4644 [2022-10-17 10:30:40,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:40,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:30:40,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:30:40,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:30:40,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (1/1) ... [2022-10-17 10:30:40,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (1/1) ... [2022-10-17 10:30:40,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (1/1) ... [2022-10-17 10:30:40,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (1/1) ... [2022-10-17 10:30:41,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (1/1) ... [2022-10-17 10:30:41,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (1/1) ... [2022-10-17 10:30:41,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (1/1) ... [2022-10-17 10:30:41,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (1/1) ... [2022-10-17 10:30:41,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:30:41,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:30:41,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:30:41,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:30:41,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (1/1) ... [2022-10-17 10:30:41,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:30:41,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:41,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:41,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9588104e-8d4e-46e8-a049-298505c26cd4/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:30:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-10-17 10:30:41,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-10-17 10:30:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_ioctl [2022-10-17 10:30:41,406 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_ioctl [2022-10-17 10:30:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:30:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:30:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:30:41,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:30:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-10-17 10:30:41,407 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-10-17 10:30:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:30:41,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:30:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-10-17 10:30:41,408 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-10-17 10:30:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-10-17 10:30:41,408 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-10-17 10:30:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:30:41,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:30:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 10:30:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 10:30:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 10:30:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 10:30:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:30:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:30:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-10-17 10:30:41,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-10-17 10:30:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-10-17 10:30:41,410 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-10-17 10:30:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:30:41,410 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:30:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-10-17 10:30:41,410 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-10-17 10:30:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:30:41,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:30:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-10-17 10:30:41,411 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-10-17 10:30:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-10-17 10:30:41,412 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-10-17 10:30:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:30:41,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:30:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:30:41,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:30:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-10-17 10:30:41,413 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-10-17 10:30:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-10-17 10:30:41,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-10-17 10:30:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-10-17 10:30:41,414 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-10-17 10:30:41,414 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:30:41,414 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:30:41,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:30:41,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:30:41,414 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-10-17 10:30:41,414 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-10-17 10:30:41,415 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-10-17 10:30:41,415 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-10-17 10:30:41,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-17 10:30:41,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-17 10:30:41,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 10:30:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 10:30:41,417 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-10-17 10:30:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-10-17 10:30:41,418 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:30:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:30:41,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:30:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:30:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-10-17 10:30:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-10-17 10:30:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-10-17 10:30:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-10-17 10:30:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 10:30:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 10:30:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-10-17 10:30:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-10-17 10:30:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-10-17 10:30:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-10-17 10:30:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:30:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:30:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-17 10:30:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-17 10:30:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:30:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:30:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-10-17 10:30:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-10-17 10:30:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-10-17 10:30:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-10-17 10:30:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:30:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-10-17 10:30:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-10-17 10:30:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-10-17 10:30:41,424 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-10-17 10:30:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:30:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-10-17 10:30:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-10-17 10:30:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 10:30:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 10:30:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-10-17 10:30:41,426 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-10-17 10:30:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-17 10:30:41,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-17 10:30:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:30:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:30:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:30:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:30:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:30:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-10-17 10:30:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-10-17 10:30:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-10-17 10:30:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-10-17 10:30:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:30:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:30:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-10-17 10:30:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-10-17 10:30:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-17 10:30:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-17 10:30:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:30:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-10-17 10:30:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-10-17 10:30:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-17 10:30:41,433 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-10-17 10:30:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-10-17 10:30:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-10-17 10:30:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-10-17 10:30:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-10-17 10:30:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:30:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:30:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-10-17 10:30:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-10-17 10:30:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-10-17 10:30:41,443 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-10-17 10:30:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:30:41,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:30:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-10-17 10:30:41,444 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-10-17 10:30:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:30:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-10-17 10:30:41,444 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-10-17 10:30:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:30:41,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:30:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:30:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:30:41,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:30:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:30:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-17 10:30:41,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-17 10:30:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:30:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-17 10:30:41,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-17 10:30:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-10-17 10:30:41,446 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-10-17 10:30:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-10-17 10:30:41,446 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-10-17 10:30:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-10-17 10:30:41,446 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-10-17 10:30:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-10-17 10:30:41,447 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-10-17 10:30:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-10-17 10:30:41,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-10-17 10:30:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-10-17 10:30:41,447 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-10-17 10:30:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-10-17 10:30:41,447 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-10-17 10:30:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:30:41,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:30:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-10-17 10:30:41,448 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-10-17 10:30:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-17 10:30:41,448 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-17 10:30:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-10-17 10:30:41,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-10-17 10:30:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:30:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-10-17 10:30:41,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-10-17 10:30:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-10-17 10:30:41,449 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-10-17 10:30:41,450 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-10-17 10:30:41,450 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-10-17 10:30:41,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:30:41,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:30:42,178 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:30:42,184 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:30:42,660 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:30:48,062 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:30:48,090 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:30:48,091 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:30:48,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:48 BoogieIcfgContainer [2022-10-17 10:30:48,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:30:48,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:30:48,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:30:48,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:30:48,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:30:37" (1/3) ... [2022-10-17 10:30:48,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e05436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:30:48, skipping insertion in model container [2022-10-17 10:30:48,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:40" (2/3) ... [2022-10-17 10:30:48,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e05436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:30:48, skipping insertion in model container [2022-10-17 10:30:48,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:48" (3/3) ... [2022-10-17 10:30:48,108 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-10-17 10:30:48,127 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:30:48,127 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:30:48,244 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:30:48,249 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=LoopsAndPotentialCycles, 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;@454dcbaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:30:48,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:30:48,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 1913 states, 1213 states have (on average 1.3437757625721352) internal successors, (1630), 1244 states have internal predecessors, (1630), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) [2022-10-17 10:30:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-10-17 10:30:48,309 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:48,310 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:48,311 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:48,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:48,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1714063715, now seen corresponding path program 1 times [2022-10-17 10:30:48,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:48,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715552085] [2022-10-17 10:30:48,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:48,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:30:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:30:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:30:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:30:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:30:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:30:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:30:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:30:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:30:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:30:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-17 10:30:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-17 10:30:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-17 10:30:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:30:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-17 10:30:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-17 10:30:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-17 10:30:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-17 10:30:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-10-17 10:30:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:30:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:49,644 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-10-17 10:30:49,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:49,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715552085] [2022-10-17 10:30:49,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715552085] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:49,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:49,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:30:49,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695869321] [2022-10-17 10:30:49,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:49,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:30:49,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:49,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:30:49,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:30:49,699 INFO L87 Difference]: Start difference. First operand has 1913 states, 1213 states have (on average 1.3437757625721352) internal successors, (1630), 1244 states have internal predecessors, (1630), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-17 10:30:52,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:30:53,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:30:59,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:59,055 INFO L93 Difference]: Finished difference Result 3880 states and 5917 transitions. [2022-10-17 10:30:59,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:30:59,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 193 [2022-10-17 10:30:59,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:30:59,106 INFO L225 Difference]: With dead ends: 3880 [2022-10-17 10:30:59,107 INFO L226 Difference]: Without dead ends: 1954 [2022-10-17 10:30:59,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:30:59,137 INFO L413 NwaCegarLoop]: 2370 mSDtfsCounter, 2357 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 1865 mSolverCounterSat, 3110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 3543 SdHoareTripleChecker+Invalid, 4975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3110 IncrementalHoareTripleChecker+Valid, 1865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-10-17 10:30:59,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2628 Valid, 3543 Invalid, 4975 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3110 Valid, 1865 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-10-17 10:30:59,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2022-10-17 10:30:59,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1895. [2022-10-17 10:30:59,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1895 states, 1204 states have (on average 1.303986710963455) internal successors, (1570), 1226 states have internal predecessors, (1570), 611 states have call successors, (611), 80 states have call predecessors, (611), 79 states have return successors, (610), 599 states have call predecessors, (610), 610 states have call successors, (610) [2022-10-17 10:30:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2791 transitions. [2022-10-17 10:30:59,454 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2791 transitions. Word has length 193 [2022-10-17 10:30:59,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:30:59,455 INFO L495 AbstractCegarLoop]: Abstraction has 1895 states and 2791 transitions. [2022-10-17 10:30:59,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-17 10:30:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2791 transitions. [2022-10-17 10:30:59,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-10-17 10:30:59,472 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:59,472 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:59,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:30:59,473 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:59,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:59,474 INFO L85 PathProgramCache]: Analyzing trace with hash -432751907, now seen corresponding path program 1 times [2022-10-17 10:30:59,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:59,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859318768] [2022-10-17 10:30:59,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:59,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:31:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:31:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:31:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:31:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:31:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:31:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:31:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:31:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:31:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:31:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-17 10:31:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-17 10:31:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-17 10:31:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-17 10:31:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-17 10:31:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-17 10:31:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-17 10:31:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-17 10:31:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-17 10:31:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:31:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:00,678 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-10-17 10:31:00,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:00,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859318768] [2022-10-17 10:31:00,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859318768] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:00,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:00,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-17 10:31:00,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18164105] [2022-10-17 10:31:00,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:00,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-17 10:31:00,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:00,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-17 10:31:00,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:31:00,688 INFO L87 Difference]: Start difference. First operand 1895 states and 2791 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-17 10:31:06,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []