./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--hippi--rrunner.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_2a6d5a16-1576-4a87-aa44-c9e8544e986e/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/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_2a6d5a16-1576-4a87-aa44-c9e8544e986e/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/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--hippi--rrunner.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/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_2a6d5a16-1576-4a87-aa44-c9e8544e986e/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 ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 --- 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 10:08:31,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:08:31,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:08:31,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:08:31,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:08:31,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:08:31,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:08:31,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:08:31,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:08:31,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:08:31,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:08:31,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:08:31,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:08:31,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:08:31,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:08:31,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:08:31,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:08:31,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:08:31,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:08:31,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:08:31,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:08:31,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:08:31,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:08:31,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:08:31,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:08:31,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:08:31,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:08:31,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:08:31,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:08:31,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:08:31,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:08:31,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:08:31,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:08:31,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:08:31,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:08:31,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:08:31,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:08:31,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:08:31,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:08:31,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:08:31,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:08:31,394 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:08:31,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:08:31,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:08:31,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:08:31,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:08:31,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:08:31,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:08:31,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:08:31,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:08:31,429 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:08:31,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:08:31,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:08:31,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:08:31,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:08:31,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:08:31,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:08:31,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:08:31,431 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:08:31,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:08:31,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:08:31,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:08:31,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:08:31,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:08:31,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:08:31,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:08:31,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:08:31,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:08:31,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:08:31,433 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:08:31,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:08:31,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:08:31,434 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_2a6d5a16-1576-4a87-aa44-c9e8544e986e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 [2022-10-17 10:08:31,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:08:31,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:08:31,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:08:31,758 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:08:31,759 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:08:31,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2022-10-17 10:08:31,855 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/bin/uautomizer-J5u9QxTXDZ/data/639152a06/5cde4eb989a64076849238a2c2fb4f13/FLAGe76034284 [2022-10-17 10:08:32,687 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:08:32,687 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2022-10-17 10:08:32,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/bin/uautomizer-J5u9QxTXDZ/data/639152a06/5cde4eb989a64076849238a2c2fb4f13/FLAGe76034284 [2022-10-17 10:08:33,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/bin/uautomizer-J5u9QxTXDZ/data/639152a06/5cde4eb989a64076849238a2c2fb4f13 [2022-10-17 10:08:33,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:08:33,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:08:33,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:08:33,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:08:33,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:08:33,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:08:33" (1/1) ... [2022-10-17 10:08:33,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1119c505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:33, skipping insertion in model container [2022-10-17 10:08:33,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:08:33" (1/1) ... [2022-10-17 10:08:33,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:08:33,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:08:35,087 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_2a6d5a16-1576-4a87-aa44-c9e8544e986e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i[275280,275293] [2022-10-17 10:08:35,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:08:35,198 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:08:35,626 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_2a6d5a16-1576-4a87-aa44-c9e8544e986e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i[275280,275293] [2022-10-17 10:08:35,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:08:35,753 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:08:35,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35 WrapperNode [2022-10-17 10:08:35,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:08:35,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:08:35,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:08:35,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:08:35,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (1/1) ... [2022-10-17 10:08:35,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (1/1) ... [2022-10-17 10:08:36,065 INFO L138 Inliner]: procedures = 224, calls = 1230, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 3671 [2022-10-17 10:08:36,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:08:36,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:08:36,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:08:36,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:08:36,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (1/1) ... [2022-10-17 10:08:36,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (1/1) ... [2022-10-17 10:08:36,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (1/1) ... [2022-10-17 10:08:36,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (1/1) ... [2022-10-17 10:08:36,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (1/1) ... [2022-10-17 10:08:36,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (1/1) ... [2022-10-17 10:08:36,337 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (1/1) ... [2022-10-17 10:08:36,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (1/1) ... [2022-10-17 10:08:36,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:08:36,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:08:36,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:08:36,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:08:36,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (1/1) ... [2022-10-17 10:08:36,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:08:36,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:08:36,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:08:36,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6d5a16-1576-4a87-aa44-c9e8544e986e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:08:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-17 10:08:36,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-17 10:08:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:08:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-10-17 10:08:36,454 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-10-17 10:08:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:08:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:08:36,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:08:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:08:36,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:08:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:08:36,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:08:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:08:36,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:08:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 10:08:36,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 10:08:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:08:36,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:08:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:08:36,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:08:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 10:08:36,456 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 10:08:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:08:36,457 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:08:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:08:36,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:08:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:08:36,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:08:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:08:36,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:08:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-17 10:08:36,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-17 10:08:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2022-10-17 10:08:36,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2022-10-17 10:08:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:08:36,459 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:08:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-17 10:08:36,459 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-17 10:08:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:08:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2022-10-17 10:08:36,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2022-10-17 10:08:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 10:08:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:08:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 10:08:36,460 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 10:08:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 10:08:36,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 10:08:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:08:36,461 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:08:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 10:08:36,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 10:08:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:08:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:08:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 10:08:36,463 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 10:08:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-10-17 10:08:36,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-10-17 10:08:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:08:36,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:08:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2022-10-17 10:08:36,466 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2022-10-17 10:08:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:08:36,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:08:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:08:36,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:08:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2022-10-17 10:08:36,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2022-10-17 10:08:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2022-10-17 10:08:36,467 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2022-10-17 10:08:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:08:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:08:36,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:08:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2022-10-17 10:08:36,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2022-10-17 10:08:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:08:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:08:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:08:36,469 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:08:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:08:36,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:08:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:08:36,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:08:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:08:36,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:08:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2022-10-17 10:08:36,470 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2022-10-17 10:08:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:08:36,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:08:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 10:08:36,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 10:08:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:08:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:08:36,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:08:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:08:36,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:08:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:08:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:08:36,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:08:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:08:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:08:36,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:08:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:08:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-17 10:08:36,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-17 10:08:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-10-17 10:08:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-10-17 10:08:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2022-10-17 10:08:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2022-10-17 10:08:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:08:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:08:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 10:08:36,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 10:08:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:08:36,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:08:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 10:08:36,477 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 10:08:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 10:08:36,478 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 10:08:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:08:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:08:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:08:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2022-10-17 10:08:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2022-10-17 10:08:37,349 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:08:37,355 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:08:41,150 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:08:42,806 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:08:42,833 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:08:42,837 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:08:42,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:08:42 BoogieIcfgContainer [2022-10-17 10:08:42,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:08:42,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:08:42,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:08:42,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:08:42,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:08:33" (1/3) ... [2022-10-17 10:08:42,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638f1a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:08:42, skipping insertion in model container [2022-10-17 10:08:42,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:08:35" (2/3) ... [2022-10-17 10:08:42,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638f1a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:08:42, skipping insertion in model container [2022-10-17 10:08:42,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:08:42" (3/3) ... [2022-10-17 10:08:42,854 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2022-10-17 10:08:42,872 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:08:42,872 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:08:43,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:08:43,027 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;@251bab5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:08:43,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:08:43,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 1231 states, 826 states have (on average 1.3438256658595642) internal successors, (1110), 851 states have internal predecessors, (1110), 351 states have call successors, (351), 53 states have call predecessors, (351), 52 states have return successors, (345), 335 states have call predecessors, (345), 345 states have call successors, (345) [2022-10-17 10:08:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 10:08:43,075 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:08:43,076 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 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] [2022-10-17 10:08:43,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:08:43,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:08:43,084 INFO L85 PathProgramCache]: Analyzing trace with hash -225077238, now seen corresponding path program 1 times [2022-10-17 10:08:43,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:08:43,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542205251] [2022-10-17 10:08:43,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:08:43,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:08:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:08:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:43,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:08:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:43,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:43,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:08:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:08:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-17 10:08:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:44,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:08:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:44,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-17 10:08:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:08:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-17 10:08:44,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:08:44,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542205251] [2022-10-17 10:08:44,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542205251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:08:44,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:08:44,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:08:44,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484051969] [2022-10-17 10:08:44,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:08:44,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:08:44,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:08:44,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:08:44,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:08:44,177 INFO L87 Difference]: Start difference. First operand has 1231 states, 826 states have (on average 1.3438256658595642) internal successors, (1110), 851 states have internal predecessors, (1110), 351 states have call successors, (351), 53 states have call predecessors, (351), 52 states have return successors, (345), 335 states have call predecessors, (345), 345 states have call successors, (345) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-17 10:08:48,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:08:48,561 INFO L93 Difference]: Finished difference Result 2769 states and 4183 transitions. [2022-10-17 10:08:48,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:08:48,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 118 [2022-10-17 10:08:48,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:08:48,597 INFO L225 Difference]: With dead ends: 2769 [2022-10-17 10:08:48,597 INFO L226 Difference]: Without dead ends: 1520 [2022-10-17 10:08:48,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:08:48,623 INFO L413 NwaCegarLoop]: 1756 mSDtfsCounter, 948 mSDsluCounter, 2114 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 994 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 3870 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 994 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:08:48,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [990 Valid, 3870 Invalid, 2532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [994 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-17 10:08:48,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2022-10-17 10:08:48,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1210. [2022-10-17 10:08:48,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 813 states have (on average 1.3025830258302582) internal successors, (1059), 830 states have internal predecessors, (1059), 345 states have call successors, (345), 52 states have call predecessors, (345), 51 states have return successors, (344), 334 states have call predecessors, (344), 344 states have call successors, (344) [2022-10-17 10:08:48,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1748 transitions. [2022-10-17 10:08:48,806 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1748 transitions. Word has length 118 [2022-10-17 10:08:48,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:08:48,807 INFO L495 AbstractCegarLoop]: Abstraction has 1210 states and 1748 transitions. [2022-10-17 10:08:48,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-17 10:08:48,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1748 transitions. [2022-10-17 10:08:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 10:08:48,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:08:48,815 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 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] [2022-10-17 10:08:48,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:08:48,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:08:48,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:08:48,816 INFO L85 PathProgramCache]: Analyzing trace with hash -2012715502, now seen corresponding path program 1 times [2022-10-17 10:08:48,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:08:48,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608516787] [2022-10-17 10:08:48,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:08:48,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:08:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:08:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:08:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:08:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:08:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-17 10:08:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:08:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-17 10:08:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:08:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-17 10:08:49,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:08:49,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608516787] [2022-10-17 10:08:49,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608516787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:08:49,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:08:49,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:08:49,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715833710] [2022-10-17 10:08:49,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:08:49,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:08:49,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:08:49,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:08:49,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:08:49,337 INFO L87 Difference]: Start difference. First operand 1210 states and 1748 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-17 10:08:55,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:08:55,050 INFO L93 Difference]: Finished difference Result 3723 states and 5488 transitions. [2022-10-17 10:08:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:08:55,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 118 [2022-10-17 10:08:55,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:08:55,073 INFO L225 Difference]: With dead ends: 3723 [2022-10-17 10:08:55,074 INFO L226 Difference]: Without dead ends: 2533 [2022-10-17 10:08:55,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:08:55,086 INFO L413 NwaCegarLoop]: 1924 mSDtfsCounter, 2876 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 2268 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3098 SdHoareTripleChecker+Valid, 4587 SdHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 2268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-10-17 10:08:55,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3098 Valid, 4587 Invalid, 4178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1910 Valid, 2268 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-10-17 10:08:55,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2022-10-17 10:08:55,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2006. [2022-10-17 10:08:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2006 states, 1343 states have (on average 1.298585256887565) internal successors, (1744), 1379 states have internal predecessors, (1744), 570 states have call successors, (570), 93 states have call predecessors, (570), 92 states have return successors, (569), 546 states have call predecessors, (569), 569 states have call successors, (569) [2022-10-17 10:08:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 2006 states and 2883 transitions. [2022-10-17 10:08:55,283 INFO L78 Accepts]: Start accepts. Automaton has 2006 states and 2883 transitions. Word has length 118 [2022-10-17 10:08:55,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:08:55,286 INFO L495 AbstractCegarLoop]: Abstraction has 2006 states and 2883 transitions. [2022-10-17 10:08:55,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-17 10:08:55,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2883 transitions. [2022-10-17 10:08:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-17 10:08:55,297 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:08:55,297 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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] [2022-10-17 10:08:55,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:08:55,297 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:08:55,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:08:55,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1788264688, now seen corresponding path program 1 times [2022-10-17 10:08:55,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:08:55,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017285428] [2022-10-17 10:08:55,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:08:55,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:08:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:55,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:08:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:08:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:55,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:55,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:08:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:55,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:08:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:08:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-17 10:08:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:08:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:08:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-17 10:08:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-17 10:08:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-17 10:08:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-17 10:08:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-17 10:08:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:08:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-10-17 10:08:56,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:08:56,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017285428] [2022-10-17 10:08:56,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017285428] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:08:56,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:08:56,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-17 10:08:56,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998988646] [2022-10-17 10:08:56,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:08:56,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-17 10:08:56,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:08:56,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-17 10:08:56,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:08:56,134 INFO L87 Difference]: Start difference. First operand 2006 states and 2883 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)