./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y --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 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:31:57,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:31:57,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:31:57,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:31:57,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:31:57,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:31:57,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:31:57,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:31:57,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:31:57,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:31:57,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:31:57,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:31:57,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:31:57,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:31:57,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:31:57,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:31:57,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:31:57,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:31:57,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:31:57,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:31:57,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:31:57,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:31:57,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:31:57,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:31:57,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:31:57,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:31:57,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:31:57,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:31:57,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:31:57,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:31:57,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:31:57,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:31:57,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:31:57,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:31:57,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:31:57,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:31:57,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:31:57,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:31:57,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:31:57,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:31:57,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:31:57,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 17:31:57,267 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:31:57,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:31:57,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:31:57,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:31:57,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:31:57,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:31:57,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:31:57,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:31:57,270 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:31:57,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:31:57,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:31:57,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:31:57,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:31:57,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:31:57,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:31:57,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:31:57,272 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:31:57,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:31:57,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:31:57,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:31:57,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:31:57,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:31:57,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:31:57,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:31:57,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:31:57,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:31:57,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:31:57,274 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:31:57,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:31:57,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:31:57,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:31:57,275 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_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f [2021-11-13 17:31:57,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:31:57,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:31:57,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:31:57,558 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:31:57,559 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:31:57,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2021-11-13 17:31:57,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/data/28d74aad9/d3ded67ad1bd450996368a3ca59c9a05/FLAG88a711215 [2021-11-13 17:31:58,408 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:31:58,409 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2021-11-13 17:31:58,447 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/data/28d74aad9/d3ded67ad1bd450996368a3ca59c9a05/FLAG88a711215 [2021-11-13 17:31:58,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/data/28d74aad9/d3ded67ad1bd450996368a3ca59c9a05 [2021-11-13 17:31:58,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:31:58,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:31:58,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:58,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:31:58,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:31:58,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dab2ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58, skipping insertion in model container [2021-11-13 17:31:58,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:31:58,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:31:58,971 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2021-11-13 17:31:58,971 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2021-11-13 17:31:59,037 WARN L228 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_b3d34166-71e6-474c-abe1-26cc40bc01e6/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2021-11-13 17:31:59,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:59,196 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:31:59,321 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2021-11-13 17:31:59,321 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2021-11-13 17:31:59,328 WARN L228 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_b3d34166-71e6-474c-abe1-26cc40bc01e6/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2021-11-13 17:31:59,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:59,424 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:31:59,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59 WrapperNode [2021-11-13 17:31:59,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:59,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:59,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:31:59,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:31:59,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59" (1/1) ... [2021-11-13 17:31:59,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59" (1/1) ... [2021-11-13 17:31:59,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:59,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:31:59,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:31:59,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:31:59,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59" (1/1) ... [2021-11-13 17:31:59,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59" (1/1) ... [2021-11-13 17:31:59,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59" (1/1) ... [2021-11-13 17:31:59,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59" (1/1) ... [2021-11-13 17:31:59,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59" (1/1) ... [2021-11-13 17:31:59,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59" (1/1) ... [2021-11-13 17:31:59,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59" (1/1) ... [2021-11-13 17:31:59,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:31:59,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:31:59,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:31:59,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:31:59,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59" (1/1) ... [2021-11-13 17:31:59,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:31:59,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:31:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2021-11-13 17:31:59,688 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2021-11-13 17:31:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:31:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:31:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:31:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:31:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 17:31:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 17:31:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:31:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:31:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:31:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:31:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2021-11-13 17:31:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2021-11-13 17:31:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2021-11-13 17:31:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2021-11-13 17:31:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:31:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:31:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2021-11-13 17:31:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2021-11-13 17:31:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:31:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 17:31:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 17:31:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 17:31:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 17:31:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:31:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:31:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 17:31:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 17:31:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:31:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:32:00,087 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 17:32:00,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:32:00,679 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 17:32:00,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:32:00 BoogieIcfgContainer [2021-11-13 17:32:00,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:32:00,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:32:00,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:32:00,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:32:00,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:31:58" (1/3) ... [2021-11-13 17:32:00,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10519932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:32:00, skipping insertion in model container [2021-11-13 17:32:00,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:59" (2/3) ... [2021-11-13 17:32:00,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10519932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:32:00, skipping insertion in model container [2021-11-13 17:32:00,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:32:00" (3/3) ... [2021-11-13 17:32:00,691 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2021-11-13 17:32:00,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:32:00,697 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:32:00,748 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:32:00,755 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:32:00,755 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:32:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 107 states have (on average 1.3457943925233644) internal successors, (144), 112 states have internal predecessors, (144), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-13 17:32:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 17:32:00,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:32:00,786 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:00,786 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:32:00,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:00,792 INFO L85 PathProgramCache]: Analyzing trace with hash 945939342, now seen corresponding path program 1 times [2021-11-13 17:32:00,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:00,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555203972] [2021-11-13 17:32:00,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:00,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:32:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:01,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:32:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:01,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:01,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555203972] [2021-11-13 17:32:01,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555203972] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:01,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:32:01,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:32:01,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355793587] [2021-11-13 17:32:01,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:01,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:32:01,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:01,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:32:01,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:32:01,265 INFO L87 Difference]: Start difference. First operand has 136 states, 107 states have (on average 1.3457943925233644) internal successors, (144), 112 states have internal predecessors, (144), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 17:32:01,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:01,482 INFO L93 Difference]: Finished difference Result 281 states and 371 transitions. [2021-11-13 17:32:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:32:01,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-11-13 17:32:01,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:32:01,495 INFO L225 Difference]: With dead ends: 281 [2021-11-13 17:32:01,495 INFO L226 Difference]: Without dead ends: 129 [2021-11-13 17:32:01,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:32:01,503 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 75 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.16ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 140.81ms IncrementalHoareTripleChecker+Time [2021-11-13 17:32:01,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 377 Invalid, 69 Unknown, 0 Unchecked, 7.16ms Time], IncrementalHoareTripleChecker [22 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 140.81ms Time] [2021-11-13 17:32:01,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-11-13 17:32:01,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 125. [2021-11-13 17:32:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 110 states have (on average 1.3181818181818181) internal successors, (145), 110 states have internal predecessors, (145), 8 states have call successors, (8), 7 states have call predecessors, (8), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-13 17:32:01,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 160 transitions. [2021-11-13 17:32:01,556 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 160 transitions. Word has length 37 [2021-11-13 17:32:01,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:32:01,556 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 160 transitions. [2021-11-13 17:32:01,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 17:32:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 160 transitions. [2021-11-13 17:32:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 17:32:01,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:32:01,561 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-13 17:32:01,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:32:01,562 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:32:01,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:01,563 INFO L85 PathProgramCache]: Analyzing trace with hash 808416082, now seen corresponding path program 1 times [2021-11-13 17:32:01,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:01,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354558686] [2021-11-13 17:32:01,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:01,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:32:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:01,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-13 17:32:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:32:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 17:32:01,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:01,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354558686] [2021-11-13 17:32:01,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354558686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:01,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:32:01,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:32:01,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347495212] [2021-11-13 17:32:01,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:01,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:32:01,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:01,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:32:01,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:32:01,774 INFO L87 Difference]: Start difference. First operand 125 states and 160 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:32:01,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:01,891 INFO L93 Difference]: Finished difference Result 129 states and 164 transitions. [2021-11-13 17:32:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:32:01,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2021-11-13 17:32:01,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:32:01,893 INFO L225 Difference]: With dead ends: 129 [2021-11-13 17:32:01,893 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 17:32:01,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:32:01,896 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 92 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.07ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86.24ms IncrementalHoareTripleChecker+Time [2021-11-13 17:32:01,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 205 Invalid, 26 Unknown, 0 Unchecked, 3.07ms Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 86.24ms Time] [2021-11-13 17:32:01,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 17:32:01,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 17:32:01,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:01,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 17:32:01,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-11-13 17:32:01,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:32:01,900 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 17:32:01,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:32:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 17:32:01,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 17:32:01,904 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 17:32:01,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:32:01,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 17:32:02,045 INFO L858 garLoopResultBuilder]: For program point hid_hw_requestEXIT(lines 2662 2675) no Hoare annotation was computed. [2021-11-13 17:32:02,046 INFO L858 garLoopResultBuilder]: For program point L2666(lines 2666 2671) no Hoare annotation was computed. [2021-11-13 17:32:02,046 INFO L861 garLoopResultBuilder]: At program point L3077(lines 3076 3078) the Hoare annotation is: true [2021-11-13 17:32:02,047 INFO L861 garLoopResultBuilder]: At program point hid_hw_requestENTRY(lines 2662 2675) the Hoare annotation is: true [2021-11-13 17:32:02,047 INFO L858 garLoopResultBuilder]: For program point hid_hw_requestFINAL(lines 2662 2675) no Hoare annotation was computed. [2021-11-13 17:32:02,047 INFO L858 garLoopResultBuilder]: For program point hid_hw_stopFINAL(lines 2639 2646) no Hoare annotation was computed. [2021-11-13 17:32:02,047 INFO L861 garLoopResultBuilder]: At program point L3096(lines 3095 3097) the Hoare annotation is: true [2021-11-13 17:32:02,048 INFO L861 garLoopResultBuilder]: At program point hid_hw_stopENTRY(lines 2639 2646) the Hoare annotation is: true [2021-11-13 17:32:02,048 INFO L858 garLoopResultBuilder]: For program point hid_hw_stopEXIT(lines 2639 2646) no Hoare annotation was computed. [2021-11-13 17:32:02,048 INFO L858 garLoopResultBuilder]: For program point L2643-1(line 2643) no Hoare annotation was computed. [2021-11-13 17:32:02,048 INFO L861 garLoopResultBuilder]: At program point L2643(line 2643) the Hoare annotation is: true [2021-11-13 17:32:02,049 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2499 2501) the Hoare annotation is: true [2021-11-13 17:32:02,049 INFO L858 garLoopResultBuilder]: For program point L2500(line 2500) no Hoare annotation was computed. [2021-11-13 17:32:02,049 INFO L858 garLoopResultBuilder]: For program point L2500-2(lines 2499 2501) no Hoare annotation was computed. [2021-11-13 17:32:02,049 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2499 2501) no Hoare annotation was computed. [2021-11-13 17:32:02,050 INFO L861 garLoopResultBuilder]: At program point hid_hw_closeENTRY(lines 2655 2661) the Hoare annotation is: true [2021-11-13 17:32:02,050 INFO L858 garLoopResultBuilder]: For program point L2658-1(line 2658) no Hoare annotation was computed. [2021-11-13 17:32:02,050 INFO L858 garLoopResultBuilder]: For program point hid_hw_closeEXIT(lines 2655 2661) no Hoare annotation was computed. [2021-11-13 17:32:02,050 INFO L858 garLoopResultBuilder]: For program point hid_hw_closeFINAL(lines 2655 2661) no Hoare annotation was computed. [2021-11-13 17:32:02,051 INFO L861 garLoopResultBuilder]: At program point L2658(line 2658) the Hoare annotation is: true [2021-11-13 17:32:02,051 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 2552 2558) no Hoare annotation was computed. [2021-11-13 17:32:02,051 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 2552 2558) the Hoare annotation is: true [2021-11-13 17:32:02,051 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2556) no Hoare annotation was computed. [2021-11-13 17:32:02,052 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 2552 2558) no Hoare annotation was computed. [2021-11-13 17:32:02,052 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2021-11-13 17:32:02,052 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2021-11-13 17:32:02,052 INFO L861 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2021-11-13 17:32:02,053 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2021-11-13 17:32:02,053 INFO L858 garLoopResultBuilder]: For program point L2526(lines 2526 2533) no Hoare annotation was computed. [2021-11-13 17:32:02,053 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 17:32:02,053 INFO L858 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 2519 2535) no Hoare annotation was computed. [2021-11-13 17:32:02,054 INFO L854 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 2519 2535) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))) [2021-11-13 17:32:02,054 INFO L858 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 2519 2535) no Hoare annotation was computed. [2021-11-13 17:32:02,054 INFO L858 garLoopResultBuilder]: For program point L2531-1(line 2531) no Hoare annotation was computed. [2021-11-13 17:32:02,054 INFO L861 garLoopResultBuilder]: At program point L2531(line 2531) the Hoare annotation is: true [2021-11-13 17:32:02,055 INFO L858 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 2559 2565) no Hoare annotation was computed. [2021-11-13 17:32:02,055 INFO L861 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 2559 2565) the Hoare annotation is: true [2021-11-13 17:32:02,055 INFO L861 garLoopResultBuilder]: At program point L2975(lines 2912 2996) the Hoare annotation is: true [2021-11-13 17:32:02,055 INFO L858 garLoopResultBuilder]: For program point L2843(lines 2843 2848) no Hoare annotation was computed. [2021-11-13 17:32:02,056 INFO L854 garLoopResultBuilder]: At program point L2777(lines 2746 2805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,056 INFO L858 garLoopResultBuilder]: For program point L2926(line 2926) no Hoare annotation was computed. [2021-11-13 17:32:02,056 INFO L858 garLoopResultBuilder]: For program point L2794(lines 2794 2797) no Hoare annotation was computed. [2021-11-13 17:32:02,056 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 17:32:02,057 INFO L858 garLoopResultBuilder]: For program point L2927(lines 2927 2935) no Hoare annotation was computed. [2021-11-13 17:32:02,057 INFO L854 garLoopResultBuilder]: At program point L2795(lines 2746 2805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,057 INFO L858 garLoopResultBuilder]: For program point L2845-1(line 2845) no Hoare annotation was computed. [2021-11-13 17:32:02,057 INFO L861 garLoopResultBuilder]: At program point L2845(line 2845) the Hoare annotation is: true [2021-11-13 17:32:02,058 INFO L858 garLoopResultBuilder]: For program point L3126(lines 3126 3128) no Hoare annotation was computed. [2021-11-13 17:32:02,058 INFO L854 garLoopResultBuilder]: At program point L3093(lines 3092 3094) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,058 INFO L858 garLoopResultBuilder]: For program point L3011(lines 3011 3014) no Hoare annotation was computed. [2021-11-13 17:32:02,058 INFO L858 garLoopResultBuilder]: For program point L2945(line 2945) no Hoare annotation was computed. [2021-11-13 17:32:02,059 INFO L858 garLoopResultBuilder]: For program point L2780(line 2780) no Hoare annotation was computed. [2021-11-13 17:32:02,059 INFO L858 garLoopResultBuilder]: For program point L2780-2(lines 2780 2785) no Hoare annotation was computed. [2021-11-13 17:32:02,059 INFO L861 garLoopResultBuilder]: At program point L2995(lines 2905 2997) the Hoare annotation is: true [2021-11-13 17:32:02,059 INFO L858 garLoopResultBuilder]: For program point L2929(lines 2929 2933) no Hoare annotation was computed. [2021-11-13 17:32:02,060 INFO L858 garLoopResultBuilder]: For program point L2632(lines 2632 2635) no Hoare annotation was computed. [2021-11-13 17:32:02,060 INFO L858 garLoopResultBuilder]: For program point L2632-2(lines 2632 2635) no Hoare annotation was computed. [2021-11-13 17:32:02,060 INFO L861 garLoopResultBuilder]: At program point L2946(line 2946) the Hoare annotation is: true [2021-11-13 17:32:02,060 INFO L858 garLoopResultBuilder]: For program point L2913-1(line 2913) no Hoare annotation was computed. [2021-11-13 17:32:02,061 INFO L854 garLoopResultBuilder]: At program point L2913(line 2913) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-11-13 17:32:02,061 INFO L858 garLoopResultBuilder]: For program point L2831(lines 2831 2835) no Hoare annotation was computed. [2021-11-13 17:32:02,061 INFO L858 garLoopResultBuilder]: For program point L2633-1(line 2633) no Hoare annotation was computed. [2021-11-13 17:32:02,061 INFO L861 garLoopResultBuilder]: At program point L2633(line 2633) the Hoare annotation is: true [2021-11-13 17:32:02,062 INFO L854 garLoopResultBuilder]: At program point L3013-1(lines 3008 3017) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,062 INFO L854 garLoopResultBuilder]: At program point L3013(line 3013) the Hoare annotation is: false [2021-11-13 17:32:02,062 INFO L854 garLoopResultBuilder]: At program point L2617(lines 2612 2619) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,062 INFO L858 garLoopResultBuilder]: For program point L2964(line 2964) no Hoare annotation was computed. [2021-11-13 17:32:02,063 INFO L858 garLoopResultBuilder]: For program point L2799-1(line 2799) no Hoare annotation was computed. [2021-11-13 17:32:02,063 INFO L854 garLoopResultBuilder]: At program point L2799(line 2799) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,063 INFO L861 garLoopResultBuilder]: At program point L3113(lines 3112 3114) the Hoare annotation is: true [2021-11-13 17:32:02,063 INFO L858 garLoopResultBuilder]: For program point L2981(line 2981) no Hoare annotation was computed. [2021-11-13 17:32:02,064 INFO L854 garLoopResultBuilder]: At program point L2882(lines 2877 2884) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,064 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 17:32:02,064 INFO L854 garLoopResultBuilder]: At program point L2849(lines 2807 2851) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,064 INFO L858 garLoopResultBuilder]: For program point L2651-1(line 2651) no Hoare annotation was computed. [2021-11-13 17:32:02,065 INFO L854 garLoopResultBuilder]: At program point L2651(line 2651) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,065 INFO L858 garLoopResultBuilder]: For program point L2965(lines 2965 2979) no Hoare annotation was computed. [2021-11-13 17:32:02,065 INFO L854 garLoopResultBuilder]: At program point L2569(lines 2566 2571) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,065 INFO L861 garLoopResultBuilder]: At program point L2982(line 2982) the Hoare annotation is: true [2021-11-13 17:32:02,065 INFO L854 garLoopResultBuilder]: At program point L2652(lines 2647 2654) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,066 INFO L854 garLoopResultBuilder]: At program point L2487(lines 2484 2489) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,066 INFO L854 garLoopResultBuilder]: At program point L2900(line 2900) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,066 INFO L858 garLoopResultBuilder]: For program point L2900-1(line 2900) no Hoare annotation was computed. [2021-11-13 17:32:02,066 INFO L854 garLoopResultBuilder]: At program point L2636(lines 2620 2638) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,067 INFO L858 garLoopResultBuilder]: For program point L2967(lines 2967 2972) no Hoare annotation was computed. [2021-11-13 17:32:02,067 INFO L858 garLoopResultBuilder]: For program point L2967-2(lines 2965 2978) no Hoare annotation was computed. [2021-11-13 17:32:02,067 INFO L854 garLoopResultBuilder]: At program point L2769(lines 2746 2805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,067 INFO L854 garLoopResultBuilder]: At program point L3116(lines 3115 3117) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-11-13 17:32:02,068 INFO L858 garLoopResultBuilder]: For program point L2753(lines 2753 2757) no Hoare annotation was computed. [2021-11-13 17:32:02,068 INFO L854 garLoopResultBuilder]: At program point L3100(lines 3099 3101) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,068 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 17:32:02,068 INFO L854 garLoopResultBuilder]: At program point L2902(lines 2896 2904) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,069 INFO L858 garLoopResultBuilder]: For program point L2770(lines 2770 2773) no Hoare annotation was computed. [2021-11-13 17:32:02,069 INFO L858 garLoopResultBuilder]: For program point L2952(line 2952) no Hoare annotation was computed. [2021-11-13 17:32:02,069 INFO L858 garLoopResultBuilder]: For program point L2820(lines 2820 2823) no Hoare annotation was computed. [2021-11-13 17:32:02,069 INFO L858 garLoopResultBuilder]: For program point L2820-2(lines 2820 2823) no Hoare annotation was computed. [2021-11-13 17:32:02,070 INFO L854 garLoopResultBuilder]: At program point L2804(lines 2731 2806) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,070 INFO L858 garLoopResultBuilder]: For program point L2837(lines 2837 2841) no Hoare annotation was computed. [2021-11-13 17:32:02,070 INFO L854 garLoopResultBuilder]: At program point L2771(lines 2746 2805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,070 INFO L858 garLoopResultBuilder]: For program point L2837-2(lines 2837 2841) no Hoare annotation was computed. [2021-11-13 17:32:02,071 INFO L858 garLoopResultBuilder]: For program point L2953(lines 2953 2986) no Hoare annotation was computed. [2021-11-13 17:32:02,071 INFO L858 garLoopResultBuilder]: For program point L2788(lines 2788 2791) no Hoare annotation was computed. [2021-11-13 17:32:02,071 INFO L854 garLoopResultBuilder]: At program point L3003(lines 2999 3005) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,071 INFO L858 garLoopResultBuilder]: For program point L2937(line 2937) no Hoare annotation was computed. [2021-11-13 17:32:02,072 INFO L858 garLoopResultBuilder]: For program point L2921(lines 2921 2990) no Hoare annotation was computed. [2021-11-13 17:32:02,072 INFO L861 garLoopResultBuilder]: At program point L3103(lines 3102 3104) the Hoare annotation is: true [2021-11-13 17:32:02,072 INFO L858 garLoopResultBuilder]: For program point L2938(lines 2938 2943) no Hoare annotation was computed. [2021-11-13 17:32:02,072 INFO L858 garLoopResultBuilder]: For program point L2988(line 2988) no Hoare annotation was computed. [2021-11-13 17:32:02,072 INFO L858 garLoopResultBuilder]: For program point L2922(line 2922) no Hoare annotation was computed. [2021-11-13 17:32:02,073 INFO L858 garLoopResultBuilder]: For program point L2955(lines 2955 2983) no Hoare annotation was computed. [2021-11-13 17:32:02,073 INFO L861 garLoopResultBuilder]: At program point L2889(lines 2885 2891) the Hoare annotation is: true [2021-11-13 17:32:02,073 INFO L858 garLoopResultBuilder]: For program point L2625-1(line 2625) no Hoare annotation was computed. [2021-11-13 17:32:02,073 INFO L854 garLoopResultBuilder]: At program point L2625(line 2625) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,074 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 17:32:02,074 INFO L858 garLoopResultBuilder]: For program point L2939-1(line 2939) no Hoare annotation was computed. [2021-11-13 17:32:02,074 INFO L861 garLoopResultBuilder]: At program point L2939(line 2939) the Hoare annotation is: true [2021-11-13 17:32:02,074 INFO L858 garLoopResultBuilder]: For program point L2956(line 2956) no Hoare annotation was computed. [2021-11-13 17:32:02,074 INFO L861 garLoopResultBuilder]: At program point L2989(line 2989) the Hoare annotation is: true [2021-11-13 17:32:02,075 INFO L858 garLoopResultBuilder]: For program point L2923(lines 2923 2950) no Hoare annotation was computed. [2021-11-13 17:32:02,075 INFO L854 garLoopResultBuilder]: At program point L2775(lines 2746 2805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,075 INFO L854 garLoopResultBuilder]: At program point L2478(lines 2474 2480) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,075 INFO L858 garLoopResultBuilder]: For program point L2957(lines 2957 2962) no Hoare annotation was computed. [2021-11-13 17:32:02,076 INFO L858 garLoopResultBuilder]: For program point L2825(lines 2825 2829) no Hoare annotation was computed. [2021-11-13 17:32:02,076 INFO L858 garLoopResultBuilder]: For program point L2627(lines 2627 2630) no Hoare annotation was computed. [2021-11-13 17:32:02,076 INFO L858 garLoopResultBuilder]: For program point L2776(lines 2776 2779) no Hoare annotation was computed. [2021-11-13 17:32:02,076 INFO L854 garLoopResultBuilder]: At program point L2991(lines 2912 2996) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,076 INFO L858 garLoopResultBuilder]: For program point L2925(lines 2925 2947) no Hoare annotation was computed. [2021-11-13 17:32:02,077 INFO L854 garLoopResultBuilder]: At program point L3074(lines 3073 3075) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,077 INFO L854 garLoopResultBuilder]: At program point L3107(lines 3106 3108) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-13 17:32:02,077 INFO L858 garLoopResultBuilder]: For program point ax_removeFINAL(lines 2852 2859) no Hoare annotation was computed. [2021-11-13 17:32:02,077 INFO L858 garLoopResultBuilder]: For program point L2855-1(line 2855) no Hoare annotation was computed. [2021-11-13 17:32:02,078 INFO L861 garLoopResultBuilder]: At program point ax_removeENTRY(lines 2852 2859) the Hoare annotation is: true [2021-11-13 17:32:02,078 INFO L861 garLoopResultBuilder]: At program point L2855(line 2855) the Hoare annotation is: true [2021-11-13 17:32:02,078 INFO L858 garLoopResultBuilder]: For program point ax_removeEXIT(lines 2852 2859) no Hoare annotation was computed. [2021-11-13 17:32:02,078 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-11-13 17:32:02,079 INFO L861 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2021-11-13 17:32:02,079 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-11-13 17:32:02,082 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-13 17:32:02,084 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:32:02,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:32:02 BoogieIcfgContainer [2021-11-13 17:32:02,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 17:32:02,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:32:02,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:32:02,110 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:32:02,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:32:00" (3/4) ... [2021-11-13 17:32:02,114 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 17:32:02,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-13 17:32:02,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_request [2021-11-13 17:32:02,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:32:02,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-11-13 17:32:02,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2021-11-13 17:32:02,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_stop [2021-11-13 17:32:02,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ax_remove [2021-11-13 17:32:02,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-13 17:32:02,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_close [2021-11-13 17:32:02,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2021-11-13 17:32:02,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2021-11-13 17:32:02,137 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-13 17:32:02,138 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 17:32:02,140 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 17:32:02,141 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 17:32:02,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 17:32:02,306 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 17:32:02,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:32:02,308 INFO L158 Benchmark]: Toolchain (without parser) took 3812.16ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 81.1MB in the beginning and 70.5MB in the end (delta: 10.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2021-11-13 17:32:02,308 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 37.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:32:02,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 927.85ms. Allocated memory is still 111.1MB. Free memory was 80.9MB in the beginning and 70.2MB in the end (delta: 10.7MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2021-11-13 17:32:02,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.89ms. Allocated memory is still 111.1MB. Free memory was 70.2MB in the beginning and 66.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 17:32:02,309 INFO L158 Benchmark]: Boogie Preprocessor took 65.89ms. Allocated memory is still 111.1MB. Free memory was 66.0MB in the beginning and 62.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 17:32:02,310 INFO L158 Benchmark]: RCFGBuilder took 1090.56ms. Allocated memory is still 111.1MB. Free memory was 62.2MB in the beginning and 46.5MB in the end (delta: 15.7MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-11-13 17:32:02,310 INFO L158 Benchmark]: TraceAbstraction took 1425.76ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 46.0MB in the beginning and 92.4MB in the end (delta: -46.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-13 17:32:02,311 INFO L158 Benchmark]: Witness Printer took 197.09ms. Allocated memory is still 165.7MB. Free memory was 92.4MB in the beginning and 70.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-13 17:32:02,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 37.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 927.85ms. Allocated memory is still 111.1MB. Free memory was 80.9MB in the beginning and 70.2MB in the end (delta: 10.7MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.89ms. Allocated memory is still 111.1MB. Free memory was 70.2MB in the beginning and 66.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.89ms. Allocated memory is still 111.1MB. Free memory was 66.0MB in the beginning and 62.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1090.56ms. Allocated memory is still 111.1MB. Free memory was 62.2MB in the beginning and 46.5MB in the end (delta: 15.7MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1425.76ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 46.0MB in the beginning and 92.4MB in the end (delta: -46.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Witness Printer took 197.09ms. Allocated memory is still 165.7MB. Free memory was 92.4MB in the beginning and 70.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2556]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 137 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 227.05ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 167 mSDsluCounter, 582 SdHoareTripleChecker+Invalid, 196.60ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 308 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 274 mSDtfsCounter, 68 mSolverCounterSat, 10.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 97 PreInvPairs, 145 NumberOfFragments, 135 HoareAnnotationTreeSize, 97 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 57 FomulaSimplificationsInter, 255 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2877]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2612]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 3095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2484]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 3106]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 3115]: Loop Invariant Derived loop invariant: ldv_spin == 0 && ldv_state_variable_1 == 0 - InvariantResult [Line: 2912]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2474]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2807]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 3076]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2999]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 3092]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2896]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 3073]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2620]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3008]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 3099]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2647]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 3112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2566]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2731]: Loop Invariant Derived loop invariant: ldv_spin == 0 RESULT: Ultimate proved your program to be correct! [2021-11-13 17:32:02,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d34166-71e6-474c-abe1-26cc40bc01e6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE