./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--md--dm-snapshot.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_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/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_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/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_f0393e71-33f9-460b-a4f5-f39913505a21/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 d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 --- 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 10:26:18,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:26:18,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:26:18,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:26:18,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:26:18,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:26:18,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:26:18,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:26:18,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:26:18,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:26:18,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:26:18,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:26:18,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:26:18,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:26:18,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:26:18,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:26:18,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:26:18,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:26:18,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:26:18,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:26:18,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:26:18,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:26:18,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:26:18,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:26:18,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:26:18,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:26:18,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:26:18,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:26:18,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:26:18,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:26:18,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:26:18,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:26:18,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:26:18,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:26:18,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:26:18,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:26:18,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:26:18,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:26:18,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:26:18,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:26:18,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:26:18,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:26:18,893 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:26:18,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:26:18,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:26:18,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:26:18,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:26:18,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:26:18,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:26:18,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:26:18,897 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:26:18,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:26:18,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:26:18,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:26:18,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:26:18,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:26:18,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:26:18,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:26:18,899 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:26:18,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:26:18,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:26:18,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:26:18,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:26:18,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:26:18,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:26:18,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:26:18,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:26:18,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:26:18,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:26:18,903 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:26:18,903 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:26:18,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:26:18,904 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_f0393e71-33f9-460b-a4f5-f39913505a21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 [2022-10-17 10:26:19,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:26:19,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:26:19,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:26:19,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:26:19,204 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:26:19,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2022-10-17 10:26:19,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ/data/56fd0992b/aef53bf27a88441cb3fed58629b6c385/FLAGfa68ca3d2 [2022-10-17 10:26:20,156 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:26:20,157 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2022-10-17 10:26:20,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ/data/56fd0992b/aef53bf27a88441cb3fed58629b6c385/FLAGfa68ca3d2 [2022-10-17 10:26:20,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ/data/56fd0992b/aef53bf27a88441cb3fed58629b6c385 [2022-10-17 10:26:20,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:26:20,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:26:20,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:26:20,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:26:20,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:26:20,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:26:20" (1/1) ... [2022-10-17 10:26:20,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403b176c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:20, skipping insertion in model container [2022-10-17 10:26:20,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:26:20" (1/1) ... [2022-10-17 10:26:20,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:26:20,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:26:23,627 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_f0393e71-33f9-460b-a4f5-f39913505a21/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i[294962,294975] [2022-10-17 10:26:23,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:26:23,738 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:26:24,257 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_f0393e71-33f9-460b-a4f5-f39913505a21/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i[294962,294975] [2022-10-17 10:26:24,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:26:24,528 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:26:24,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24 WrapperNode [2022-10-17 10:26:24,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:26:24,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:26:24,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:26:24,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:26:24,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (1/1) ... [2022-10-17 10:26:24,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (1/1) ... [2022-10-17 10:26:24,863 INFO L138 Inliner]: procedures = 381, calls = 2815, calls flagged for inlining = 157, calls inlined = 151, statements flattened = 6666 [2022-10-17 10:26:24,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:26:24,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:26:24,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:26:24,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:26:24,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (1/1) ... [2022-10-17 10:26:24,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (1/1) ... [2022-10-17 10:26:24,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (1/1) ... [2022-10-17 10:26:24,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (1/1) ... [2022-10-17 10:26:25,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (1/1) ... [2022-10-17 10:26:25,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (1/1) ... [2022-10-17 10:26:25,253 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (1/1) ... [2022-10-17 10:26:25,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (1/1) ... [2022-10-17 10:26:25,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:26:25,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:26:25,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:26:25,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:26:25,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (1/1) ... [2022-10-17 10:26:25,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:26:25,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:26:25,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:26:25,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0393e71-33f9-460b-a4f5-f39913505a21/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:26:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2022-10-17 10:26:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2022-10-17 10:26:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-17 10:26:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-17 10:26:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_init [2022-10-17 10:26:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_init [2022-10-17 10:26:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure dm_vcalloc [2022-10-17 10:26:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_vcalloc [2022-10-17 10:26:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-10-17 10:26:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-10-17 10:26:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-10-17 10:26:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-10-17 10:26:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 10:26:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 10:26:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_md [2022-10-17 10:26:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_md [2022-10-17 10:26:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure stop_merge [2022-10-17 10:26:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_merge [2022-10-17 10:26:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:26:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:26:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:26:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:26:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-10-17 10:26:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-10-17 10:26:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:26:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:26:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2022-10-17 10:26:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2022-10-17 10:26:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_map [2022-10-17 10:26:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_map [2022-10-17 10:26:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure init_tracked_chunk [2022-10-17 10:26:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tracked_chunk [2022-10-17 10:26:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure exit_origin_hash [2022-10-17 10:26:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_origin_hash [2022-10-17 10:26:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure __find_pending_exception [2022-10-17 10:26:25,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_pending_exception [2022-10-17 10:26:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure track_chunk [2022-10-17 10:26:25,434 INFO L138 BoogieDeclarations]: Found implementation of procedure track_chunk [2022-10-17 10:26:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 10:26:25,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 10:26:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:26:25,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:26:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-10-17 10:26:25,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-10-17 10:26:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure remap_exception [2022-10-17 10:26:25,436 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_exception [2022-10-17 10:26:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure read_pending_exceptions_done_count [2022-10-17 10:26:25,436 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pending_exceptions_done_count [2022-10-17 10:26:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure get_info [2022-10-17 10:26:25,437 INFO L138 BoogieDeclarations]: Found implementation of procedure get_info [2022-10-17 10:26:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure origin_ctr [2022-10-17 10:26:25,437 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_ctr [2022-10-17 10:26:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_usage [2022-10-17 10:26:25,437 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_usage [2022-10-17 10:26:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pending_exception [2022-10-17 10:26:25,438 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pending_exception [2022-10-17 10:26:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-10-17 10:26:25,440 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-10-17 10:26:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_to_sector [2022-10-17 10:26:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_to_sector [2022-10-17 10:26:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-10-17 10:26:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-10-17 10:26:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure dm_insert_exception [2022-10-17 10:26:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_insert_exception [2022-10-17 10:26:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_next_chunks [2022-10-17 10:26:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_next_chunks [2022-10-17 10:26:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:26:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:26:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:26:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:26:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_origin [2022-10-17 10:26:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_origin [2022-10-17 10:26:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_exception [2022-10-17 10:26:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exception [2022-10-17 10:26:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:26:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:26:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:26:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:26:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure transient_read_metadata [2022-10-17 10:26:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_read_metadata [2022-10-17 10:26:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_exit [2022-10-17 10:26:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_exit [2022-10-17 10:26:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:26:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:26:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure transient_usage [2022-10-17 10:26:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_usage [2022-10-17 10:26:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_status [2022-10-17 10:26:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_status [2022-10-17 10:26:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:26:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:26:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure origin_postsuspend [2022-10-17 10:26:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_postsuspend [2022-10-17 10:26:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure sector_to_chunk [2022-10-17 10:26:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sector_to_chunk [2022-10-17 10:26:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:26:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:26:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-10-17 10:26:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-10-17 10:26:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-10-17 10:26:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-10-17 10:26:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_cow [2022-10-17 10:26:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_cow [2022-10-17 10:26:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2022-10-17 10:26:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2022-10-17 10:26:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_drop_snapshot [2022-10-17 10:26:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_drop_snapshot [2022-10-17 10:26:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-10-17 10:26:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-10-17 10:26:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_area [2022-10-17 10:26:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_area [2022-10-17 10:26:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:26:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:26:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:26:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_map [2022-10-17 10:26:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_map [2022-10-17 10:26:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_dtr [2022-10-17 10:26:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_dtr [2022-10-17 10:26:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2022-10-17 10:26:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2022-10-17 10:26:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-10-17 10:26:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-10-17 10:26:25,459 INFO L130 BoogieDeclarations]: Found specification of procedure __invalidate_snapshot [2022-10-17 10:26:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __invalidate_snapshot [2022-10-17 10:26:25,460 INFO L130 BoogieDeclarations]: Found specification of procedure free_completed_exception [2022-10-17 10:26:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure free_completed_exception [2022-10-17 10:26:25,461 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_status [2022-10-17 10:26:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_status [2022-10-17 10:26:25,462 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-10-17 10:26:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-10-17 10:26:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure flush_bios [2022-10-17 10:26:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_bios [2022-10-17 10:26:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure free_pending_exception [2022-10-17 10:26:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pending_exception [2022-10-17 10:26:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:26:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure free_area [2022-10-17 10:26:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure free_area [2022-10-17 10:26:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure area_location [2022-10-17 10:26:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure area_location [2022-10-17 10:26:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:26:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:26:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_dtr [2022-10-17 10:26:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_dtr [2022-10-17 10:26:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 10:26:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 10:26:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:26:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:26:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2022-10-17 10:26:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2022-10-17 10:26:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_exit [2022-10-17 10:26:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_exit [2022-10-17 10:26:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure origin_resume [2022-10-17 10:26:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_resume [2022-10-17 10:26:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure get_origin_minimum_chunksize [2022-10-17 10:26:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure get_origin_minimum_chunksize [2022-10-17 10:26:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_pending_exception [2022-10-17 10:26:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_pending_exception [2022-10-17 10:26:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-10-17 10:26:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-10-17 10:26:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:26:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:26:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_exception [2022-10-17 10:26:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_exception [2022-10-17 10:26:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_equal [2022-10-17 10:26:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_equal [2022-10-17 10:26:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_get [2022-10-17 10:26:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_get [2022-10-17 10:26:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure start_merge [2022-10-17 10:26:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure start_merge [2022-10-17 10:26:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count [2022-10-17 10:26:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count [2022-10-17 10:26:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 10:26:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 10:26:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:26:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:26:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_ctr [2022-10-17 10:26:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_ctr [2022-10-17 10:26:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:26:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:26:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-10-17 10:26:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-10-17 10:26:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:26:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_destroy [2022-10-17 10:26:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_destroy [2022-10-17 10:26:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure merge_shutdown [2022-10-17 10:26:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_shutdown [2022-10-17 10:26:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_exit [2022-10-17 10:26:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_exit [2022-10-17 10:26:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure origin_dtr [2022-10-17 10:26:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_dtr [2022-10-17 10:26:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_merge [2022-10-17 10:26:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_merge [2022-10-17 10:26:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:26:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:26:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure start_copy [2022-10-17 10:26:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure start_copy [2022-10-17 10:26:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-10-17 10:26:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-10-17 10:26:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:26:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:26:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:26:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure transient_ctr [2022-10-17 10:26:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_ctr [2022-10-17 10:26:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:26:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-10-17 10:26:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-10-17 10:26:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure origin_write_extent [2022-10-17 10:26:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_write_extent [2022-10-17 10:26:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure transient_status [2022-10-17 10:26:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_status [2022-10-17 10:26:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io [2022-10-17 10:26:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io [2022-10-17 10:26:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_resume [2022-10-17 10:26:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_resume [2022-10-17 10:26:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:26:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:26:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:26:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:26:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure error_bios [2022-10-17 10:26:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bios [2022-10-17 10:26:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_preresume [2022-10-17 10:26:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_preresume [2022-10-17 10:26:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_iterate_devices [2022-10-17 10:26:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_iterate_devices [2022-10-17 10:26:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure origin_iterate_devices [2022-10-17 10:26:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_iterate_devices [2022-10-17 10:26:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:26:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:26:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure transient_dtr [2022-10-17 10:26:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_dtr [2022-10-17 10:26:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure put_type [2022-10-17 10:26:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure put_type [2022-10-17 10:26:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-10-17 10:26:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-10-17 10:26:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_snapshot [2022-10-17 10:26:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_snapshot [2022-10-17 10:26:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 10:26:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 10:26:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_merge [2022-10-17 10:26:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_merge [2022-10-17 10:26:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure read_exception [2022-10-17 10:26:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exception [2022-10-17 10:26:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_unregister [2022-10-17 10:26:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_unregister [2022-10-17 10:26:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:26:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_type [2022-10-17 10:26:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure get_type [2022-10-17 10:26:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_register [2022-10-17 10:26:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_register [2022-10-17 10:26:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_ctr [2022-10-17 10:26:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_ctr [2022-10-17 10:26:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_read_metadata [2022-10-17 10:26:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_read_metadata [2022-10-17 10:26:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:26:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:26:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:26:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:26:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_set_chunk_size [2022-10-17 10:26:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_set_chunk_size [2022-10-17 10:26:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_inc [2022-10-17 10:26:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_inc [2022-10-17 10:26:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure __find_snapshots_sharing_cow [2022-10-17 10:26:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_snapshots_sharing_cow [2022-10-17 10:26:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:26:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:26:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure dm_remove_exception [2022-10-17 10:26:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_remove_exception [2022-10-17 10:26:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_end_io [2022-10-17 10:26:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_end_io [2022-10-17 10:26:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure dm_chunk_number [2022-10-17 10:26:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_chunk_number [2022-10-17 10:26:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-10-17 10:26:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-10-17 10:26:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure skip_metadata [2022-10-17 10:26:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skip_metadata [2022-10-17 10:26:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:26:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure zero_disk_area [2022-10-17 10:26:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_disk_area [2022-10-17 10:26:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure origin_map [2022-10-17 10:26:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_map [2022-10-17 10:26:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-10-17 10:26:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:26:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:26:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-10-17 10:26:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-10-17 10:26:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_exception [2022-10-17 10:26:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_exception [2022-10-17 10:26:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure origin_status [2022-10-17 10:26:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_status [2022-10-17 10:26:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-17 10:26:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-17 10:26:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:26:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2022-10-17 10:26:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2022-10-17 10:26:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-17 10:26:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-17 10:26:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 10:26:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 10:26:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_resume [2022-10-17 10:26:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_resume [2022-10-17 10:26:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:26:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure __check_for_conflicting_io [2022-10-17 10:26:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __check_for_conflicting_io [2022-10-17 10:26:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure origin_hash [2022-10-17 10:26:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_hash [2022-10-17 10:26:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure __find_exception_store_type [2022-10-17 10:26:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_exception_store_type [2022-10-17 10:26:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-10-17 10:26:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-10-17 10:26:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:26:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:26:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure area_io [2022-10-17 10:26:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure area_io [2022-10-17 10:26:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:26:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:26:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_completed_exception [2022-10-17 10:26:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_completed_exception [2022-10-17 10:26:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 10:26:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 10:26:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-10-17 10:26:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-10-17 10:26:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure exception_hash [2022-10-17 10:26:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure exception_hash [2022-10-17 10:26:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-17 10:26:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-17 10:26:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_io [2022-10-17 10:26:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_io [2022-10-17 10:26:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure _get_exception_store_type [2022-10-17 10:26:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_exception_store_type [2022-10-17 10:26:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure origin_merge [2022-10-17 10:26:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_merge [2022-10-17 10:26:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_create [2022-10-17 10:26:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_create [2022-10-17 10:26:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_snapshot [2022-10-17 10:26:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_snapshot [2022-10-17 10:26:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-10-17 10:26:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-10-17 10:26:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure pending_complete [2022-10-17 10:26:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_complete [2022-10-17 10:26:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-10-17 10:26:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-10-17 10:26:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:26:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:26:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:26:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:26:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure dm_lookup_exception [2022-10-17 10:26:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_lookup_exception [2022-10-17 10:26:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure transient_prepare_exception [2022-10-17 10:26:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_prepare_exception [2022-10-17 10:26:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure write_header [2022-10-17 10:26:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure write_header [2022-10-17 10:26:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure transient_commit_exception [2022-10-17 10:26:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_commit_exception [2022-10-17 10:26:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure zero_memory_area [2022-10-17 10:26:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_memory_area [2022-10-17 10:26:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:26:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure do_origin [2022-10-17 10:26:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure do_origin [2022-10-17 10:26:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-10-17 10:26:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-10-17 10:26:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_presuspend [2022-10-17 10:26:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_presuspend [2022-10-17 10:26:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:26:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:26:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure __origin_write [2022-10-17 10:26:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __origin_write [2022-10-17 10:26:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:26:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:26:26,719 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:26:26,739 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:26:27,146 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:26:37,336 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:26:37,372 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:26:37,372 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:26:37,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:26:37 BoogieIcfgContainer [2022-10-17 10:26:37,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:26:37,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:26:37,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:26:37,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:26:37,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:26:20" (1/3) ... [2022-10-17 10:26:37,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a767b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:26:37, skipping insertion in model container [2022-10-17 10:26:37,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:24" (2/3) ... [2022-10-17 10:26:37,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a767b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:26:37, skipping insertion in model container [2022-10-17 10:26:37,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:26:37" (3/3) ... [2022-10-17 10:26:37,390 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2022-10-17 10:26:37,409 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:26:37,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:26:37,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:26:37,546 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;@fad4a04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:26:37,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:26:37,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 2826 states, 1876 states have (on average 1.3246268656716418) internal successors, (2485), 1941 states have internal predecessors, (2485), 774 states have call successors, (774), 175 states have call predecessors, (774), 174 states have return successors, (765), 743 states have call predecessors, (765), 765 states have call successors, (765) [2022-10-17 10:26:37,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-10-17 10:26:37,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:37,618 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 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, 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 10:26:37,619 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:37,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:37,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1243293602, now seen corresponding path program 1 times [2022-10-17 10:26:37,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:37,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166892681] [2022-10-17 10:26:37,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:37,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:38,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:26:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:38,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:38,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:26:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:38,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:26:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:26:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:26:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:26:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-17 10:26:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-17 10:26:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-17 10:26:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:26:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-17 10:26:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-17 10:26:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-10-17 10:26:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-10-17 10:26:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-10-17 10:26:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-10-17 10:26:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-10-17 10:26:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-10-17 10:26:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-10-17 10:26:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-10-17 10:26:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-10-17 10:26:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-10-17 10:26:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-10-17 10:26:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-10-17 10:26:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-10-17 10:26:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-10-17 10:26:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-10-17 10:26:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-10-17 10:26:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-10-17 10:26:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-10-17 10:26:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-10-17 10:26:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-10-17 10:26:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-10-17 10:26:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-10-17 10:26:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2022-10-17 10:26:40,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:40,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166892681] [2022-10-17 10:26:40,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166892681] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:40,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:40,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:26:40,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32427785] [2022-10-17 10:26:40,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:40,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:26:40,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:40,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:26:40,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:26:40,320 INFO L87 Difference]: Start difference. First operand has 2826 states, 1876 states have (on average 1.3246268656716418) internal successors, (2485), 1941 states have internal predecessors, (2485), 774 states have call successors, (774), 175 states have call predecessors, (774), 174 states have return successors, (765), 743 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-10-17 10:26:43,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-17 10:26:50,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []