./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--usb--misc--usbtest.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 01:41:14,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 01:41:14,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 01:41:14,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 01:41:14,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 01:41:14,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 01:41:14,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 01:41:14,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 01:41:14,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 01:41:14,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 01:41:14,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 01:41:14,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 01:41:14,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 01:41:14,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 01:41:14,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 01:41:14,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 01:41:14,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 01:41:14,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 01:41:14,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 01:41:14,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 01:41:14,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 01:41:14,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 01:41:14,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 01:41:14,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 01:41:14,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 01:41:14,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 01:41:14,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 01:41:14,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 01:41:14,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 01:41:14,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 01:41:14,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 01:41:14,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 01:41:14,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 01:41:14,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 01:41:14,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 01:41:14,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 01:41:14,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 01:41:14,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 01:41:14,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 01:41:14,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 01:41:14,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 01:41:14,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 01:41:14,281 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 01:41:14,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 01:41:14,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 01:41:14,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 01:41:14,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 01:41:14,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 01:41:14,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 01:41:14,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 01:41:14,284 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 01:41:14,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 01:41:14,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 01:41:14,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 01:41:14,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 01:41:14,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 01:41:14,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 01:41:14,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 01:41:14,287 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 01:41:14,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 01:41:14,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 01:41:14,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 01:41:14,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 01:41:14,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:41:14,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 01:41:14,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 01:41:14,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 01:41:14,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 01:41:14,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 01:41:14,289 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 01:41:14,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 01:41:14,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 01:41:14,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 01:41:14,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 [2021-11-17 01:41:14,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 01:41:14,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 01:41:14,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 01:41:14,495 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 01:41:14,495 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 01:41:14,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2021-11-17 01:41:14,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d8852f98/9dd6d3733194438695cb7e096843379a/FLAG512f4a88c [2021-11-17 01:41:15,203 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 01:41:15,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2021-11-17 01:41:15,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d8852f98/9dd6d3733194438695cb7e096843379a/FLAG512f4a88c [2021-11-17 01:41:15,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d8852f98/9dd6d3733194438695cb7e096843379a [2021-11-17 01:41:15,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 01:41:15,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 01:41:15,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 01:41:15,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 01:41:15,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 01:41:15,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:41:15" (1/1) ... [2021-11-17 01:41:15,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af53b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:15, skipping insertion in model container [2021-11-17 01:41:15,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:41:15" (1/1) ... [2021-11-17 01:41:15,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 01:41:15,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 01:41:15,868 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2021-11-17 01:41:15,869 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2021-11-17 01:41:16,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i[105797,105810] [2021-11-17 01:41:16,695 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:41:16,713 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 01:41:16,768 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2021-11-17 01:41:16,769 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2021-11-17 01:41:16,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i[105797,105810] [2021-11-17 01:41:16,971 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:41:17,036 INFO L208 MainTranslator]: Completed translation [2021-11-17 01:41:17,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17 WrapperNode [2021-11-17 01:41:17,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 01:41:17,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 01:41:17,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 01:41:17,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 01:41:17,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17" (1/1) ... [2021-11-17 01:41:17,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17" (1/1) ... [2021-11-17 01:41:17,233 INFO L137 Inliner]: procedures = 189, calls = 1686, calls flagged for inlining = 77, calls inlined = 68, statements flattened = 4477 [2021-11-17 01:41:17,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 01:41:17,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 01:41:17,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 01:41:17,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 01:41:17,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17" (1/1) ... [2021-11-17 01:41:17,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17" (1/1) ... [2021-11-17 01:41:17,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17" (1/1) ... [2021-11-17 01:41:17,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17" (1/1) ... [2021-11-17 01:41:17,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17" (1/1) ... [2021-11-17 01:41:17,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17" (1/1) ... [2021-11-17 01:41:17,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17" (1/1) ... [2021-11-17 01:41:17,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 01:41:17,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 01:41:17,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 01:41:17,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 01:41:17,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17" (1/1) ... [2021-11-17 01:41:17,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:41:17,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:41:17,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 01:41:17,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 01:41:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-17 01:41:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-17 01:41:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 01:41:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 01:41:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-17 01:41:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-17 01:41:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-17 01:41:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-17 01:41:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2021-11-17 01:41:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2021-11-17 01:41:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-17 01:41:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-17 01:41:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2021-11-17 01:41:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2021-11-17 01:41:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2021-11-17 01:41:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2021-11-17 01:41:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 01:41:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 01:41:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 01:41:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-17 01:41:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-17 01:41:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2021-11-17 01:41:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2021-11-17 01:41:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2021-11-17 01:41:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2021-11-17 01:41:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 01:41:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 01:41:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2021-11-17 01:41:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2021-11-17 01:41:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-17 01:41:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-17 01:41:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 01:41:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 01:41:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-17 01:41:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-17 01:41:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-17 01:41:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-17 01:41:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 01:41:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 01:41:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 01:41:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 01:41:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2021-11-17 01:41:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2021-11-17 01:41:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-17 01:41:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-17 01:41:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 01:41:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 01:41:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 01:41:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-17 01:41:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-17 01:41:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 01:41:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 01:41:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2021-11-17 01:41:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2021-11-17 01:41:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-17 01:41:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-17 01:41:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-17 01:41:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-17 01:41:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 01:41:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 01:41:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 01:41:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 01:41:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 01:41:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 01:41:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 01:41:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 01:41:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2021-11-17 01:41:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2021-11-17 01:41:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2021-11-17 01:41:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2021-11-17 01:41:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2021-11-17 01:41:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2021-11-17 01:41:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 01:41:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2021-11-17 01:41:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2021-11-17 01:41:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 01:41:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 01:41:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-17 01:41:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-17 01:41:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2021-11-17 01:41:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2021-11-17 01:41:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 01:41:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2021-11-17 01:41:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2021-11-17 01:41:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-17 01:41:17,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-17 01:41:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-17 01:41:17,549 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-17 01:41:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 01:41:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 01:41:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-11-17 01:41:17,550 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-11-17 01:41:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-17 01:41:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-17 01:41:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-17 01:41:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-17 01:41:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2021-11-17 01:41:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2021-11-17 01:41:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-17 01:41:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-17 01:41:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 01:41:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2021-11-17 01:41:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2021-11-17 01:41:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-17 01:41:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-17 01:41:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-17 01:41:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-17 01:41:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 01:41:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 01:41:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-17 01:41:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-17 01:41:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2021-11-17 01:41:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2021-11-17 01:41:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 01:41:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 01:41:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2021-11-17 01:41:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2021-11-17 01:41:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2021-11-17 01:41:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2021-11-17 01:41:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2021-11-17 01:41:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2021-11-17 01:41:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2021-11-17 01:41:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2021-11-17 01:41:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 01:41:17,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 01:41:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 01:41:17,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 01:41:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2021-11-17 01:41:17,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2021-11-17 01:41:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2021-11-17 01:41:17,567 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2021-11-17 01:41:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-17 01:41:17,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-17 01:41:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 01:41:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-17 01:41:17,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-17 01:41:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2021-11-17 01:41:17,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2021-11-17 01:41:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2021-11-17 01:41:17,569 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2021-11-17 01:41:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-17 01:41:17,569 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-17 01:41:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-17 01:41:17,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-17 01:41:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 01:41:17,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 01:41:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 01:41:17,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 01:41:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2021-11-17 01:41:17,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2021-11-17 01:41:18,114 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 01:41:18,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 01:41:18,521 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 01:41:22,478 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 01:41:22,496 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 01:41:22,496 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 01:41:22,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:41:22 BoogieIcfgContainer [2021-11-17 01:41:22,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 01:41:22,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 01:41:22,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 01:41:22,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 01:41:22,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:41:15" (1/3) ... [2021-11-17 01:41:22,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f2d03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:41:22, skipping insertion in model container [2021-11-17 01:41:22,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:41:17" (2/3) ... [2021-11-17 01:41:22,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f2d03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:41:22, skipping insertion in model container [2021-11-17 01:41:22,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:41:22" (3/3) ... [2021-11-17 01:41:22,506 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2021-11-17 01:41:22,509 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 01:41:22,512 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 01:41:22,564 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 01:41:22,573 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 [2021-11-17 01:41:22,573 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 01:41:22,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 1325 states, 999 states have (on average 1.4214214214214214) internal successors, (1420), 1014 states have internal predecessors, (1420), 256 states have call successors, (256), 69 states have call predecessors, (256), 68 states have return successors, (253), 250 states have call predecessors, (253), 253 states have call successors, (253) [2021-11-17 01:41:22,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-17 01:41:22,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:22,625 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 01:41:22,626 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:22,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:22,632 INFO L85 PathProgramCache]: Analyzing trace with hash 810260350, now seen corresponding path program 1 times [2021-11-17 01:41:22,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:22,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433060042] [2021-11-17 01:41:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:22,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:23,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:23,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:23,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:41:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:41:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 01:41:23,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:23,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433060042] [2021-11-17 01:41:23,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433060042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:23,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:23,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 01:41:23,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565695629] [2021-11-17 01:41:23,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:23,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:41:23,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:23,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:41:23,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:41:23,130 INFO L87 Difference]: Start difference. First operand has 1325 states, 999 states have (on average 1.4214214214214214) internal successors, (1420), 1014 states have internal predecessors, (1420), 256 states have call successors, (256), 69 states have call predecessors, (256), 68 states have return successors, (253), 250 states have call predecessors, (253), 253 states have call successors, (253) Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 01:41:25,167 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:28,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:28,751 INFO L93 Difference]: Finished difference Result 2997 states and 4536 transitions. [2021-11-17 01:41:28,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 01:41:28,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2021-11-17 01:41:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:28,781 INFO L225 Difference]: With dead ends: 2997 [2021-11-17 01:41:28,781 INFO L226 Difference]: Without dead ends: 1640 [2021-11-17 01:41:28,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-17 01:41:28,795 INFO L933 BasicCegarLoop]: 1727 mSDtfsCounter, 1252 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 1935 mSolverCounterSat, 777 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1326 SdHoareTripleChecker+Valid, 4729 SdHoareTripleChecker+Invalid, 2713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 777 IncrementalHoareTripleChecker+Valid, 1935 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:28,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1326 Valid, 4729 Invalid, 2713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [777 Valid, 1935 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-11-17 01:41:28,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2021-11-17 01:41:28,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1338. [2021-11-17 01:41:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 1011 states have (on average 1.4124629080118694) internal successors, (1428), 1022 states have internal predecessors, (1428), 255 states have call successors, (255), 72 states have call predecessors, (255), 71 states have return successors, (254), 250 states have call predecessors, (254), 254 states have call successors, (254) [2021-11-17 01:41:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1937 transitions. [2021-11-17 01:41:28,926 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1937 transitions. Word has length 39 [2021-11-17 01:41:28,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:28,927 INFO L470 AbstractCegarLoop]: Abstraction has 1338 states and 1937 transitions. [2021-11-17 01:41:28,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-17 01:41:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1937 transitions. [2021-11-17 01:41:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-17 01:41:28,930 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:28,930 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 01:41:28,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 01:41:28,930 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:28,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:28,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1447521310, now seen corresponding path program 1 times [2021-11-17 01:41:28,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:28,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226051456] [2021-11-17 01:41:28,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:28,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:41:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:41:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 01:41:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-17 01:41:29,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:29,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226051456] [2021-11-17 01:41:29,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226051456] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:29,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:29,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 01:41:29,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111906571] [2021-11-17 01:41:29,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:29,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:41:29,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:29,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:41:29,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:41:29,087 INFO L87 Difference]: Start difference. First operand 1338 states and 1937 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-17 01:41:32,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:32,800 INFO L93 Difference]: Finished difference Result 1672 states and 2482 transitions. [2021-11-17 01:41:32,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:41:32,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2021-11-17 01:41:32,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:32,812 INFO L225 Difference]: With dead ends: 1672 [2021-11-17 01:41:32,813 INFO L226 Difference]: Without dead ends: 1669 [2021-11-17 01:41:32,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:41:32,815 INFO L933 BasicCegarLoop]: 1677 mSDtfsCounter, 2931 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 1172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3073 SdHoareTripleChecker+Valid, 3201 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1172 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:32,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3073 Valid, 3201 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1172 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-17 01:41:32,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2021-11-17 01:41:32,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1368. [2021-11-17 01:41:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1368 states, 1030 states have (on average 1.4058252427184466) internal successors, (1448), 1041 states have internal predecessors, (1448), 259 states have call successors, (259), 79 states have call predecessors, (259), 78 states have return successors, (258), 254 states have call predecessors, (258), 258 states have call successors, (258) [2021-11-17 01:41:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1965 transitions. [2021-11-17 01:41:32,882 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1965 transitions. Word has length 60 [2021-11-17 01:41:32,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:32,882 INFO L470 AbstractCegarLoop]: Abstraction has 1368 states and 1965 transitions. [2021-11-17 01:41:32,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-17 01:41:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1965 transitions. [2021-11-17 01:41:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-17 01:41:32,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:32,898 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:41:32,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 01:41:32,899 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:32,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:32,899 INFO L85 PathProgramCache]: Analyzing trace with hash -2145409867, now seen corresponding path program 1 times [2021-11-17 01:41:32,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:32,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161742416] [2021-11-17 01:41:32,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:32,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:41:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:41:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 01:41:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 01:41:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 01:41:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 01:41:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:41:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 01:41:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 01:41:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 01:41:33,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:33,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161742416] [2021-11-17 01:41:33,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-17 01:41:33,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729784231] [2021-11-17 01:41:33,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:33,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:33,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:41:33,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:41:33,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 01:41:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:33,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 2294 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:41:33,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:41:34,113 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-17 01:41:34,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:41:34,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729784231] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:34,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:34,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 01:41:34,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759832385] [2021-11-17 01:41:34,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:34,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:41:34,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:34,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:41:34,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:41:34,116 INFO L87 Difference]: Start difference. First operand 1368 states and 1965 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 01:41:34,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:34,176 INFO L93 Difference]: Finished difference Result 2713 states and 3907 transitions. [2021-11-17 01:41:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:41:34,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 160 [2021-11-17 01:41:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:34,184 INFO L225 Difference]: With dead ends: 2713 [2021-11-17 01:41:34,184 INFO L226 Difference]: Without dead ends: 1369 [2021-11-17 01:41:34,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:41:34,190 INFO L933 BasicCegarLoop]: 1896 mSDtfsCounter, 0 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3787 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:34,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3787 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:41:34,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2021-11-17 01:41:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1369. [2021-11-17 01:41:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1369 states, 1031 states have (on average 1.405431619786615) internal successors, (1449), 1042 states have internal predecessors, (1449), 259 states have call successors, (259), 79 states have call predecessors, (259), 78 states have return successors, (258), 254 states have call predecessors, (258), 258 states have call successors, (258) [2021-11-17 01:41:34,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1966 transitions. [2021-11-17 01:41:34,238 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1966 transitions. Word has length 160 [2021-11-17 01:41:34,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:34,238 INFO L470 AbstractCegarLoop]: Abstraction has 1369 states and 1966 transitions. [2021-11-17 01:41:34,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 01:41:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1966 transitions. [2021-11-17 01:41:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-17 01:41:34,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:34,245 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:41:34,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 01:41:34,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:34,467 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:34,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:34,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1584710089, now seen corresponding path program 1 times [2021-11-17 01:41:34,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:34,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394123294] [2021-11-17 01:41:34,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:34,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:41:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:41:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 01:41:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 01:41:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 01:41:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 01:41:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:41:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 01:41:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 01:41:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 01:41:34,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:34,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394123294] [2021-11-17 01:41:34,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-17 01:41:34,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262507276] [2021-11-17 01:41:34,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:34,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:34,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:41:34,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:41:34,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 01:41:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:35,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:41:35,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:41:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-17 01:41:35,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:41:35,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262507276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:35,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:35,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 01:41:35,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813924083] [2021-11-17 01:41:35,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:35,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:41:35,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:35,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:41:35,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:41:35,581 INFO L87 Difference]: Start difference. First operand 1369 states and 1966 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-17 01:41:35,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:35,686 INFO L93 Difference]: Finished difference Result 2805 states and 4014 transitions. [2021-11-17 01:41:35,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:41:35,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 160 [2021-11-17 01:41:35,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:35,694 INFO L225 Difference]: With dead ends: 2805 [2021-11-17 01:41:35,694 INFO L226 Difference]: Without dead ends: 1460 [2021-11-17 01:41:35,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:41:35,700 INFO L933 BasicCegarLoop]: 1912 mSDtfsCounter, 281 mSDsluCounter, 1672 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 3584 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:35,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 3584 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 01:41:35,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2021-11-17 01:41:35,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1451. [2021-11-17 01:41:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1095 states have (on average 1.3954337899543379) internal successors, (1528), 1106 states have internal predecessors, (1528), 265 states have call successors, (265), 91 states have call predecessors, (265), 90 states have return successors, (264), 260 states have call predecessors, (264), 264 states have call successors, (264) [2021-11-17 01:41:35,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2057 transitions. [2021-11-17 01:41:35,749 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2057 transitions. Word has length 160 [2021-11-17 01:41:35,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:35,749 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2057 transitions. [2021-11-17 01:41:35,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-17 01:41:35,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2057 transitions. [2021-11-17 01:41:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-17 01:41:35,755 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:35,756 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:41:35,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 01:41:35,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-17 01:41:35,970 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:35,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:35,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1238919696, now seen corresponding path program 1 times [2021-11-17 01:41:35,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:35,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381025283] [2021-11-17 01:41:35,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:35,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:41:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:41:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 01:41:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:41:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:41:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 01:41:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 01:41:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:41:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:41:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 01:41:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 01:41:36,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:36,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381025283] [2021-11-17 01:41:36,189 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-17 01:41:36,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107142088] [2021-11-17 01:41:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:36,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:36,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:41:36,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:41:36,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 01:41:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:36,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 2384 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:41:36,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:41:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-17 01:41:37,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:41:37,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107142088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:37,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:37,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 01:41:37,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198434376] [2021-11-17 01:41:37,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:37,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:41:37,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:37,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:41:37,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-17 01:41:37,116 INFO L87 Difference]: Start difference. First operand 1451 states and 2057 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 01:41:37,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:37,252 INFO L93 Difference]: Finished difference Result 4069 states and 5793 transitions. [2021-11-17 01:41:37,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:41:37,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 174 [2021-11-17 01:41:37,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:37,266 INFO L225 Difference]: With dead ends: 4069 [2021-11-17 01:41:37,266 INFO L226 Difference]: Without dead ends: 2642 [2021-11-17 01:41:37,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-17 01:41:37,272 INFO L933 BasicCegarLoop]: 2106 mSDtfsCounter, 1866 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 3772 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:37,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1866 Valid, 3772 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 01:41:37,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2021-11-17 01:41:37,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2635. [2021-11-17 01:41:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2635 states, 1980 states have (on average 1.3984848484848484) internal successors, (2769), 2002 states have internal predecessors, (2769), 492 states have call successors, (492), 163 states have call predecessors, (492), 162 states have return successors, (491), 483 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-17 01:41:37,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 2635 states and 3752 transitions. [2021-11-17 01:41:37,359 INFO L78 Accepts]: Start accepts. Automaton has 2635 states and 3752 transitions. Word has length 174 [2021-11-17 01:41:37,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:37,359 INFO L470 AbstractCegarLoop]: Abstraction has 2635 states and 3752 transitions. [2021-11-17 01:41:37,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 01:41:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 3752 transitions. [2021-11-17 01:41:37,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-17 01:41:37,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:37,370 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:41:37,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 01:41:37,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:37,591 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:37,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:37,592 INFO L85 PathProgramCache]: Analyzing trace with hash -420530186, now seen corresponding path program 1 times [2021-11-17 01:41:37,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:37,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234835344] [2021-11-17 01:41:37,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:37,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:41:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:41:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 01:41:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 01:41:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 01:41:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:41:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 01:41:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 01:41:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-17 01:41:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 01:41:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 01:41:37,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:37,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234835344] [2021-11-17 01:41:37,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-17 01:41:37,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072271368] [2021-11-17 01:41:37,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:37,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:37,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:41:37,820 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:41:37,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 01:41:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:38,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 2385 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 01:41:38,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:41:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-17 01:41:38,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:41:38,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072271368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:38,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:38,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 01:41:38,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309156700] [2021-11-17 01:41:38,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:38,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:41:38,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:38,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:41:38,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:41:38,756 INFO L87 Difference]: Start difference. First operand 2635 states and 3752 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 01:41:39,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:39,494 INFO L93 Difference]: Finished difference Result 5474 states and 7787 transitions. [2021-11-17 01:41:39,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:41:39,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2021-11-17 01:41:39,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:39,509 INFO L225 Difference]: With dead ends: 5474 [2021-11-17 01:41:39,509 INFO L226 Difference]: Without dead ends: 2863 [2021-11-17 01:41:39,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-17 01:41:39,520 INFO L933 BasicCegarLoop]: 2179 mSDtfsCounter, 343 mSDsluCounter, 4003 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 6182 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:39,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 6182 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-17 01:41:39,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2863 states. [2021-11-17 01:41:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2863 to 2637. [2021-11-17 01:41:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2637 states, 1982 states have (on average 1.398082744702321) internal successors, (2771), 2004 states have internal predecessors, (2771), 492 states have call successors, (492), 163 states have call predecessors, (492), 162 states have return successors, (491), 483 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-17 01:41:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2637 states and 3754 transitions. [2021-11-17 01:41:39,674 INFO L78 Accepts]: Start accepts. Automaton has 2637 states and 3754 transitions. Word has length 175 [2021-11-17 01:41:39,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:39,676 INFO L470 AbstractCegarLoop]: Abstraction has 2637 states and 3754 transitions. [2021-11-17 01:41:39,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 01:41:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 3754 transitions. [2021-11-17 01:41:39,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-17 01:41:39,688 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:39,689 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:41:39,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 01:41:39,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:39,904 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:39,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:39,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1537263626, now seen corresponding path program 1 times [2021-11-17 01:41:39,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:39,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853664422] [2021-11-17 01:41:39,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:39,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:41:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:41:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 01:41:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 01:41:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 01:41:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:41:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 01:41:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:41:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 01:41:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 01:41:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 01:41:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 01:41:40,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:40,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853664422] [2021-11-17 01:41:40,150 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-17 01:41:40,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103174844] [2021-11-17 01:41:40,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:40,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:40,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:41:40,151 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:41:40,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 01:41:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:40,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 2419 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 01:41:40,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:41:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-17 01:41:40,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:41:40,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103174844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:40,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:40,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 01:41:40,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169107728] [2021-11-17 01:41:40,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:40,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:41:40,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:40,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:41:40,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:41:40,977 INFO L87 Difference]: Start difference. First operand 2637 states and 3754 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 01:41:41,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:41,517 INFO L93 Difference]: Finished difference Result 5479 states and 7792 transitions. [2021-11-17 01:41:41,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:41:41,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 185 [2021-11-17 01:41:41,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:41,533 INFO L225 Difference]: With dead ends: 5479 [2021-11-17 01:41:41,533 INFO L226 Difference]: Without dead ends: 2866 [2021-11-17 01:41:41,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-17 01:41:41,544 INFO L933 BasicCegarLoop]: 2179 mSDtfsCounter, 343 mSDsluCounter, 4003 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 6182 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:41,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 6182 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-17 01:41:41,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2866 states. [2021-11-17 01:41:41,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2866 to 2637. [2021-11-17 01:41:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2637 states, 1982 states have (on average 1.398082744702321) internal successors, (2771), 2004 states have internal predecessors, (2771), 492 states have call successors, (492), 163 states have call predecessors, (492), 162 states have return successors, (491), 483 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-17 01:41:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2637 states and 3754 transitions. [2021-11-17 01:41:41,673 INFO L78 Accepts]: Start accepts. Automaton has 2637 states and 3754 transitions. Word has length 185 [2021-11-17 01:41:41,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:41,673 INFO L470 AbstractCegarLoop]: Abstraction has 2637 states and 3754 transitions. [2021-11-17 01:41:41,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 01:41:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 3754 transitions. [2021-11-17 01:41:41,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-17 01:41:41,685 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:41,685 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:41:41,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-17 01:41:41,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:41,900 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:41,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:41,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1551735590, now seen corresponding path program 1 times [2021-11-17 01:41:41,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:41,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27174437] [2021-11-17 01:41:41,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:41,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:41:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:41:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 01:41:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 01:41:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 01:41:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:41:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 01:41:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:41:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:41:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 01:41:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 01:41:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 01:41:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 01:41:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 01:41:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 01:41:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 01:41:42,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:42,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27174437] [2021-11-17 01:41:42,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-17 01:41:42,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132898875] [2021-11-17 01:41:42,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:42,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:42,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:41:42,160 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:41:42,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-17 01:41:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:42,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 2634 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:41:42,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:41:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-17 01:41:43,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:41:43,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132898875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:43,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:43,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 01:41:43,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311402609] [2021-11-17 01:41:43,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:43,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:41:43,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:43,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:41:43,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:41:43,096 INFO L87 Difference]: Start difference. First operand 2637 states and 3754 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 01:41:43,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:43,182 INFO L93 Difference]: Finished difference Result 5251 states and 7483 transitions. [2021-11-17 01:41:43,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:41:43,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 228 [2021-11-17 01:41:43,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:43,195 INFO L225 Difference]: With dead ends: 5251 [2021-11-17 01:41:43,195 INFO L226 Difference]: Without dead ends: 2638 [2021-11-17 01:41:43,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:41:43,204 INFO L933 BasicCegarLoop]: 1896 mSDtfsCounter, 0 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3787 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:43,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3787 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:41:43,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2638 states. [2021-11-17 01:41:43,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2638 to 2638. [2021-11-17 01:41:43,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 1983 states have (on average 1.3978819969742813) internal successors, (2772), 2005 states have internal predecessors, (2772), 492 states have call successors, (492), 163 states have call predecessors, (492), 162 states have return successors, (491), 483 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-17 01:41:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 3755 transitions. [2021-11-17 01:41:43,325 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 3755 transitions. Word has length 228 [2021-11-17 01:41:43,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:43,325 INFO L470 AbstractCegarLoop]: Abstraction has 2638 states and 3755 transitions. [2021-11-17 01:41:43,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 01:41:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3755 transitions. [2021-11-17 01:41:43,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-17 01:41:43,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:43,336 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:41:43,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-17 01:41:43,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:43,553 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:43,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:43,553 INFO L85 PathProgramCache]: Analyzing trace with hash 607348504, now seen corresponding path program 1 times [2021-11-17 01:41:43,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:43,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441031161] [2021-11-17 01:41:43,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:43,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:41:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:41:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 01:41:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 01:41:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 01:41:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:41:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 01:41:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:41:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:41:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 01:41:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 01:41:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 01:41:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 01:41:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 01:41:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 01:41:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:43,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 01:41:43,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:43,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441031161] [2021-11-17 01:41:43,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-17 01:41:43,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493376904] [2021-11-17 01:41:43,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:43,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:43,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:41:43,813 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:41:43,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-17 01:41:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:44,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 2637 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 01:41:44,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:41:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-17 01:41:44,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:41:44,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493376904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:44,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:44,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 01:41:44,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334449868] [2021-11-17 01:41:44,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:44,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:41:44,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:44,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:41:44,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:41:44,823 INFO L87 Difference]: Start difference. First operand 2638 states and 3755 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 01:41:44,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:44,953 INFO L93 Difference]: Finished difference Result 5252 states and 7483 transitions. [2021-11-17 01:41:44,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 01:41:44,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 228 [2021-11-17 01:41:44,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:44,967 INFO L225 Difference]: With dead ends: 5252 [2021-11-17 01:41:44,968 INFO L226 Difference]: Without dead ends: 2638 [2021-11-17 01:41:44,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-17 01:41:44,977 INFO L933 BasicCegarLoop]: 1892 mSDtfsCounter, 1814 mSDsluCounter, 1889 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 3781 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:44,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1814 Valid, 3781 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:41:44,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2638 states. [2021-11-17 01:41:45,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2638 to 2638. [2021-11-17 01:41:45,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 1983 states have (on average 1.3973777105395866) internal successors, (2771), 2005 states have internal predecessors, (2771), 492 states have call successors, (492), 163 states have call predecessors, (492), 162 states have return successors, (491), 483 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-17 01:41:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 3754 transitions. [2021-11-17 01:41:45,079 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 3754 transitions. Word has length 228 [2021-11-17 01:41:45,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:45,080 INFO L470 AbstractCegarLoop]: Abstraction has 2638 states and 3754 transitions. [2021-11-17 01:41:45,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 01:41:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3754 transitions. [2021-11-17 01:41:45,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-17 01:41:45,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:45,090 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:41:45,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-17 01:41:45,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:45,306 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:45,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:45,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1025237206, now seen corresponding path program 1 times [2021-11-17 01:41:45,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:45,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732181720] [2021-11-17 01:41:45,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:45,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:45,359 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:41:45,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [789370980] [2021-11-17 01:41:45,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:45,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:45,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:41:45,361 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:41:45,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-17 01:41:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:45,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 2640 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-17 01:41:45,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:41:46,348 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-17 01:41:46,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:41:46,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:46,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732181720] [2021-11-17 01:41:46,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:41:46,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789370980] [2021-11-17 01:41:46,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789370980] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:46,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:46,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 01:41:46,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132776052] [2021-11-17 01:41:46,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:46,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:41:46,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:46,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:41:46,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:41:46,350 INFO L87 Difference]: Start difference. First operand 2638 states and 3754 transitions. Second operand has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 01:41:47,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:47,040 INFO L93 Difference]: Finished difference Result 5699 states and 8128 transitions. [2021-11-17 01:41:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 01:41:47,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 228 [2021-11-17 01:41:47,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:47,055 INFO L225 Difference]: With dead ends: 5699 [2021-11-17 01:41:47,056 INFO L226 Difference]: Without dead ends: 3085 [2021-11-17 01:41:47,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-17 01:41:47,065 INFO L933 BasicCegarLoop]: 2209 mSDtfsCounter, 686 mSDsluCounter, 8531 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 10740 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:47,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [702 Valid, 10740 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-17 01:41:47,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2021-11-17 01:41:47,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 2644. [2021-11-17 01:41:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 1987 states have (on average 1.3965777554101662) internal successors, (2775), 2009 states have internal predecessors, (2775), 494 states have call successors, (494), 163 states have call predecessors, (494), 162 states have return successors, (493), 485 states have call predecessors, (493), 493 states have call successors, (493) [2021-11-17 01:41:47,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 3762 transitions. [2021-11-17 01:41:47,177 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 3762 transitions. Word has length 228 [2021-11-17 01:41:47,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:47,178 INFO L470 AbstractCegarLoop]: Abstraction has 2644 states and 3762 transitions. [2021-11-17 01:41:47,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 01:41:47,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3762 transitions. [2021-11-17 01:41:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-17 01:41:47,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:47,187 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:41:47,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-17 01:41:47,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-17 01:41:47,404 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:47,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:47,404 INFO L85 PathProgramCache]: Analyzing trace with hash 651738589, now seen corresponding path program 1 times [2021-11-17 01:41:47,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:47,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743646290] [2021-11-17 01:41:47,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:47,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:47,466 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:41:47,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1563022598] [2021-11-17 01:41:47,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:47,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:41:47,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:41:47,468 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:41:47,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-17 01:41:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:48,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 2674 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-17 01:41:48,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:41:48,924 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-17 01:41:48,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 18 [2021-11-17 01:41:49,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2021-11-17 01:41:49,309 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 01:41:49,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:41:49,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2021-11-17 01:41:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-17 01:41:50,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:50,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743646290] [2021-11-17 01:41:50,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:41:50,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563022598] [2021-11-17 01:41:50,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563022598] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 01:41:50,232 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 01:41:50,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 29 [2021-11-17 01:41:50,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206947386] [2021-11-17 01:41:50,233 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 01:41:50,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-17 01:41:50,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:50,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-17 01:41:50,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=719, Unknown=0, NotChecked=0, Total=812 [2021-11-17 01:41:50,235 INFO L87 Difference]: Start difference. First operand 2644 states and 3762 transitions. Second operand has 29 states, 29 states have (on average 9.758620689655173) internal successors, (283), 25 states have internal predecessors, (283), 15 states have call successors, (54), 6 states have call predecessors, (54), 5 states have return successors, (50), 16 states have call predecessors, (50), 14 states have call successors, (50) [2021-11-17 01:41:52,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:53,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:55,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:58,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:59,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:09,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:42:09,853 INFO L93 Difference]: Finished difference Result 6819 states and 9931 transitions. [2021-11-17 01:42:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-17 01:42:09,854 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 9.758620689655173) internal successors, (283), 25 states have internal predecessors, (283), 15 states have call successors, (54), 6 states have call predecessors, (54), 5 states have return successors, (50), 16 states have call predecessors, (50), 14 states have call successors, (50) Word has length 232 [2021-11-17 01:42:09,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:42:09,876 INFO L225 Difference]: With dead ends: 6819 [2021-11-17 01:42:09,876 INFO L226 Difference]: Without dead ends: 4199 [2021-11-17 01:42:09,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 434 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=202, Invalid=1130, Unknown=0, NotChecked=0, Total=1332 [2021-11-17 01:42:09,887 INFO L933 BasicCegarLoop]: 1824 mSDtfsCounter, 6541 mSDsluCounter, 27716 mSDsCounter, 0 mSdLazyCounter, 8603 mSolverCounterSat, 1374 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6571 SdHoareTripleChecker+Valid, 29540 SdHoareTripleChecker+Invalid, 11085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1374 IncrementalHoareTripleChecker+Valid, 8603 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 1105 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:42:09,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6571 Valid, 29540 Invalid, 11085 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1374 Valid, 8603 Invalid, 3 Unknown, 1105 Unchecked, 19.0s Time] [2021-11-17 01:42:09,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4199 states. [2021-11-17 01:42:10,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4199 to 4017. [2021-11-17 01:42:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4017 states, 3062 states have (on average 1.4291312867406925) internal successors, (4376), 3102 states have internal predecessors, (4376), 765 states have call successors, (765), 189 states have call predecessors, (765), 189 states have return successors, (766), 747 states have call predecessors, (766), 764 states have call successors, (766) [2021-11-17 01:42:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4017 states to 4017 states and 5907 transitions. [2021-11-17 01:42:10,112 INFO L78 Accepts]: Start accepts. Automaton has 4017 states and 5907 transitions. Word has length 232 [2021-11-17 01:42:10,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:42:10,112 INFO L470 AbstractCegarLoop]: Abstraction has 4017 states and 5907 transitions. [2021-11-17 01:42:10,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.758620689655173) internal successors, (283), 25 states have internal predecessors, (283), 15 states have call successors, (54), 6 states have call predecessors, (54), 5 states have return successors, (50), 16 states have call predecessors, (50), 14 states have call successors, (50) [2021-11-17 01:42:10,113 INFO L276 IsEmpty]: Start isEmpty. Operand 4017 states and 5907 transitions. [2021-11-17 01:42:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-17 01:42:10,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:42:10,130 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:42:10,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-17 01:42:10,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:42:10,344 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:42:10,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:42:10,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1744589070, now seen corresponding path program 1 times [2021-11-17 01:42:10,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:42:10,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853618737] [2021-11-17 01:42:10,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:42:10,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:42:10,411 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:42:10,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [886307890] [2021-11-17 01:42:10,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:42:10,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:42:10,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:42:10,413 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:42:10,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-17 01:42:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:11,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 2711 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-17 01:42:11,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:42:11,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-17 01:42:15,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:42:15,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:42:15,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-17 01:42:15,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 6 [2021-11-17 01:42:15,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:42:15,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:42:16,800 WARN L860 $PredicateComparison]: unable to prove that (exists ((|usb_set_intfdata_dev_set_drvdata_~dev#1.offset| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_usb_set_intfdata_#in~intf#1.base| (let ((.cse0 (+ 489 |usb_set_intfdata_dev_set_drvdata_~dev#1.offset|))) (store (select |c_old(#memory_int)| |c_usb_set_intfdata_#in~intf#1.base|) .cse0 (select (select |c_#memory_int| |c_usb_set_intfdata_#in~intf#1.base|) .cse0)))))) is different from true [2021-11-17 01:42:16,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:42:16,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:42:17,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-17 01:42:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-17 01:42:17,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:42:18,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:42:18,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853618737] [2021-11-17 01:42:18,482 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:42:18,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886307890] [2021-11-17 01:42:18,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886307890] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:42:18,482 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:42:18,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2021-11-17 01:42:18,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541323437] [2021-11-17 01:42:18,482 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-17 01:42:18,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-17 01:42:18,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:42:18,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-17 01:42:18,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=4, NotChecked=42, Total=552 [2021-11-17 01:42:18,484 INFO L87 Difference]: Start difference. First operand 4017 states and 5907 transitions. Second operand has 22 states, 22 states have (on average 7.681818181818182) internal successors, (169), 18 states have internal predecessors, (169), 9 states have call successors, (31), 5 states have call predecessors, (31), 8 states have return successors, (28), 12 states have call predecessors, (28), 9 states have call successors, (28) [2021-11-17 01:42:33,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:35,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:37,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:42:37,910 INFO L93 Difference]: Finished difference Result 8054 states and 11972 transitions. [2021-11-17 01:42:37,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-17 01:42:37,911 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.681818181818182) internal successors, (169), 18 states have internal predecessors, (169), 9 states have call successors, (31), 5 states have call predecessors, (31), 8 states have return successors, (28), 12 states have call predecessors, (28), 9 states have call successors, (28) Word has length 239 [2021-11-17 01:42:37,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:42:37,938 INFO L225 Difference]: With dead ends: 8054 [2021-11-17 01:42:37,938 INFO L226 Difference]: Without dead ends: 5434 [2021-11-17 01:42:37,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 285 SyntacticMatches, 14 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=120, Invalid=868, Unknown=8, NotChecked=60, Total=1056 [2021-11-17 01:42:37,950 INFO L933 BasicCegarLoop]: 2400 mSDtfsCounter, 1630 mSDsluCounter, 11012 mSDsCounter, 0 mSdLazyCounter, 3613 mSolverCounterSat, 374 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 13412 SdHoareTripleChecker+Invalid, 9513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 3613 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 5524 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:42:37,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1763 Valid, 13412 Invalid, 9513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 3613 Invalid, 2 Unknown, 5524 Unchecked, 9.0s Time] [2021-11-17 01:42:37,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5434 states. [2021-11-17 01:42:38,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5434 to 4534. [2021-11-17 01:42:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4534 states, 3492 states have (on average 1.436426116838488) internal successors, (5016), 3541 states have internal predecessors, (5016), 832 states have call successors, (832), 205 states have call predecessors, (832), 209 states have return successors, (867), 810 states have call predecessors, (867), 831 states have call successors, (867) [2021-11-17 01:42:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4534 states to 4534 states and 6715 transitions. [2021-11-17 01:42:38,139 INFO L78 Accepts]: Start accepts. Automaton has 4534 states and 6715 transitions. Word has length 239 [2021-11-17 01:42:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:42:38,139 INFO L470 AbstractCegarLoop]: Abstraction has 4534 states and 6715 transitions. [2021-11-17 01:42:38,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.681818181818182) internal successors, (169), 18 states have internal predecessors, (169), 9 states have call successors, (31), 5 states have call predecessors, (31), 8 states have return successors, (28), 12 states have call predecessors, (28), 9 states have call successors, (28) [2021-11-17 01:42:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 4534 states and 6715 transitions. [2021-11-17 01:42:38,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-17 01:42:38,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:42:38,164 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:42:38,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-11-17 01:42:38,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-17 01:42:38,388 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:42:38,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:42:38,388 INFO L85 PathProgramCache]: Analyzing trace with hash 891852001, now seen corresponding path program 1 times [2021-11-17 01:42:38,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:42:38,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059870032] [2021-11-17 01:42:38,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:42:38,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:42:38,445 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:42:38,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [265843275] [2021-11-17 01:42:38,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:42:38,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:42:38,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:42:38,447 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:42:38,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-17 01:42:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:39,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 2755 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-17 01:42:39,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:42:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-17 01:42:39,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:42:39,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:42:39,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059870032] [2021-11-17 01:42:39,494 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:42:39,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265843275] [2021-11-17 01:42:39,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265843275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:42:39,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:42:39,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 01:42:39,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588947132] [2021-11-17 01:42:39,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:42:39,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:42:39,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:42:39,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:42:39,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:42:39,496 INFO L87 Difference]: Start difference. First operand 4534 states and 6715 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-17 01:42:39,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:42:39,639 INFO L93 Difference]: Finished difference Result 8576 states and 12691 transitions. [2021-11-17 01:42:39,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:42:39,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 247 [2021-11-17 01:42:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:42:39,663 INFO L225 Difference]: With dead ends: 8576 [2021-11-17 01:42:39,663 INFO L226 Difference]: Without dead ends: 4568 [2021-11-17 01:42:39,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:42:39,679 INFO L933 BasicCegarLoop]: 1897 mSDtfsCounter, 3 mSDsluCounter, 5685 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7582 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:42:39,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 7582 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:42:39,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4568 states. [2021-11-17 01:42:39,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4568 to 4550. [2021-11-17 01:42:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4550 states, 3505 states have (on average 1.4348074179743224) internal successors, (5029), 3551 states have internal predecessors, (5029), 833 states have call successors, (833), 205 states have call predecessors, (833), 211 states have return successors, (878), 816 states have call predecessors, (878), 832 states have call successors, (878) [2021-11-17 01:42:39,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4550 states to 4550 states and 6740 transitions. [2021-11-17 01:42:39,854 INFO L78 Accepts]: Start accepts. Automaton has 4550 states and 6740 transitions. Word has length 247 [2021-11-17 01:42:39,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:42:39,855 INFO L470 AbstractCegarLoop]: Abstraction has 4550 states and 6740 transitions. [2021-11-17 01:42:39,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-17 01:42:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 4550 states and 6740 transitions. [2021-11-17 01:42:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-17 01:42:39,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:42:39,877 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:42:39,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-17 01:42:40,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-17 01:42:40,104 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:42:40,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:42:40,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1617722553, now seen corresponding path program 1 times [2021-11-17 01:42:40,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:42:40,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568276647] [2021-11-17 01:42:40,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:42:40,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:42:40,168 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:42:40,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538373838] [2021-11-17 01:42:40,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:42:40,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:42:40,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:42:40,170 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:42:40,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-17 01:42:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:40,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 2717 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-17 01:42:40,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:42:40,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-17 01:42:47,955 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#value| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|v_#Ultimate.C_memset_#t~loopctr1144_8| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr1144_8| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)))) is different from true [2021-11-17 01:42:47,980 INFO L354 Elim1Store]: treesize reduction 28, result has 15.2 percent of original size [2021-11-17 01:42:47,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 25 [2021-11-17 01:42:47,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-17 01:43:14,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:43:14,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:43:14,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-17 01:43:14,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 6 [2021-11-17 01:43:20,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:43:20,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:43:21,760 WARN L860 $PredicateComparison]: unable to prove that (exists ((|usb_set_intfdata_dev_set_drvdata_~dev#1.offset| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_usb_set_intfdata_#in~intf#1.base| (let ((.cse0 (+ 489 |usb_set_intfdata_dev_set_drvdata_~dev#1.offset|))) (store (select |c_old(#memory_int)| |c_usb_set_intfdata_#in~intf#1.base|) .cse0 (select (select |c_#memory_int| |c_usb_set_intfdata_#in~intf#1.base|) .cse0)))))) is different from true [2021-11-17 01:43:21,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:43:21,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:43:52,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-17 01:43:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 1 not checked. [2021-11-17 01:43:52,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:43:54,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:43:54,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568276647] [2021-11-17 01:43:54,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:43:54,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538373838] [2021-11-17 01:43:54,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538373838] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:43:54,525 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:43:54,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2021-11-17 01:43:54,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755622496] [2021-11-17 01:43:54,525 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-17 01:43:54,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-17 01:43:54,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:43:54,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-17 01:43:54,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=555, Unknown=20, NotChecked=98, Total=756 [2021-11-17 01:43:54,527 INFO L87 Difference]: Start difference. First operand 4550 states and 6740 transitions. Second operand has 26 states, 26 states have (on average 6.538461538461538) internal successors, (170), 22 states have internal predecessors, (170), 10 states have call successors, (31), 6 states have call predecessors, (31), 9 states have return successors, (28), 12 states have call predecessors, (28), 10 states have call successors, (28) [2021-11-17 01:43:57,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:37,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:44:37,323 INFO L93 Difference]: Finished difference Result 9189 states and 13744 transitions. [2021-11-17 01:44:37,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-17 01:44:37,323 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.538461538461538) internal successors, (170), 22 states have internal predecessors, (170), 10 states have call successors, (31), 6 states have call predecessors, (31), 9 states have return successors, (28), 12 states have call predecessors, (28), 10 states have call successors, (28) Word has length 240 [2021-11-17 01:44:37,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:44:37,343 INFO L225 Difference]: With dead ends: 9189 [2021-11-17 01:44:37,343 INFO L226 Difference]: Without dead ends: 6540 [2021-11-17 01:44:37,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 285 SyntacticMatches, 13 SemanticMatches, 38 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 108.5s TimeCoverageRelationStatistics Valid=151, Invalid=1227, Unknown=36, NotChecked=146, Total=1560 [2021-11-17 01:44:37,350 INFO L933 BasicCegarLoop]: 2424 mSDtfsCounter, 1593 mSDsluCounter, 12744 mSDsCounter, 0 mSdLazyCounter, 2848 mSolverCounterSat, 396 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 15168 SdHoareTripleChecker+Invalid, 15095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 2848 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 11850 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-11-17 01:44:37,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1757 Valid, 15168 Invalid, 15095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 2848 Invalid, 1 Unknown, 11850 Unchecked, 6.1s Time] [2021-11-17 01:44:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6540 states. [2021-11-17 01:44:37,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6540 to 4744. [2021-11-17 01:44:37,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4744 states, 3677 states have (on average 1.4340494968724504) internal successors, (5273), 3723 states have internal predecessors, (5273), 844 states have call successors, (844), 213 states have call predecessors, (844), 222 states have return successors, (901), 830 states have call predecessors, (901), 843 states have call successors, (901) [2021-11-17 01:44:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4744 states to 4744 states and 7018 transitions. [2021-11-17 01:44:37,548 INFO L78 Accepts]: Start accepts. Automaton has 4744 states and 7018 transitions. Word has length 240 [2021-11-17 01:44:37,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:44:37,549 INFO L470 AbstractCegarLoop]: Abstraction has 4744 states and 7018 transitions. [2021-11-17 01:44:37,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.538461538461538) internal successors, (170), 22 states have internal predecessors, (170), 10 states have call successors, (31), 6 states have call predecessors, (31), 9 states have return successors, (28), 12 states have call predecessors, (28), 10 states have call successors, (28) [2021-11-17 01:44:37,549 INFO L276 IsEmpty]: Start isEmpty. Operand 4744 states and 7018 transitions. [2021-11-17 01:44:37,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-17 01:44:37,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:44:37,562 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:44:37,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-17 01:44:37,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-17 01:44:37,776 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:44:37,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:44:37,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1611226398, now seen corresponding path program 1 times [2021-11-17 01:44:37,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:44:37,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999798385] [2021-11-17 01:44:37,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:44:37,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:44:37,822 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:44:37,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953597611] [2021-11-17 01:44:37,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:44:37,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:44:37,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:44:37,824 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:44:37,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-17 01:44:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:38,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-17 01:44:38,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:44:38,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-17 01:44:43,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:44:43,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:44:43,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-17 01:44:43,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 6 [2021-11-17 01:44:43,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:44:43,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:44:44,223 WARN L860 $PredicateComparison]: unable to prove that (exists ((|usb_set_intfdata_dev_set_drvdata_~dev#1.offset| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_usb_set_intfdata_#in~intf#1.base| (let ((.cse0 (+ 489 |usb_set_intfdata_dev_set_drvdata_~dev#1.offset|))) (store (select |c_old(#memory_int)| |c_usb_set_intfdata_#in~intf#1.base|) .cse0 (select (select |c_#memory_int| |c_usb_set_intfdata_#in~intf#1.base|) .cse0)))))) is different from true [2021-11-17 01:44:44,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:44:44,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:44:44,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-17 01:44:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-17 01:44:44,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:44:46,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:44:46,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999798385] [2021-11-17 01:44:46,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:44:46,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953597611] [2021-11-17 01:44:46,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953597611] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:44:46,066 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:44:46,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2021-11-17 01:44:46,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800562996] [2021-11-17 01:44:46,066 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-17 01:44:46,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-17 01:44:46,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:44:46,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-17 01:44:46,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=4, NotChecked=42, Total=552 [2021-11-17 01:44:46,068 INFO L87 Difference]: Start difference. First operand 4744 states and 7018 transitions. Second operand has 22 states, 22 states have (on average 8.136363636363637) internal successors, (179), 18 states have internal predecessors, (179), 9 states have call successors, (34), 5 states have call predecessors, (34), 8 states have return successors, (31), 12 states have call predecessors, (31), 9 states have call successors, (31) [2021-11-17 01:44:48,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:50,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:51,636 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:53,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:56,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:58,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:00,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:19,492 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:21,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:26,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:28,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:33,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:45:33,410 INFO L93 Difference]: Finished difference Result 9318 states and 13855 transitions. [2021-11-17 01:45:33,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-17 01:45:33,411 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 8.136363636363637) internal successors, (179), 18 states have internal predecessors, (179), 9 states have call successors, (34), 5 states have call predecessors, (34), 8 states have return successors, (31), 12 states have call predecessors, (31), 9 states have call successors, (31) Word has length 257 [2021-11-17 01:45:33,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:45:33,439 INFO L225 Difference]: With dead ends: 9318 [2021-11-17 01:45:33,439 INFO L226 Difference]: Without dead ends: 6669 [2021-11-17 01:45:33,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 301 SyntacticMatches, 16 SemanticMatches, 37 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=170, Invalid=1232, Unknown=8, NotChecked=72, Total=1482 [2021-11-17 01:45:33,449 INFO L933 BasicCegarLoop]: 2502 mSDtfsCounter, 1441 mSDsluCounter, 25588 mSDsCounter, 0 mSdLazyCounter, 11809 mSolverCounterSat, 383 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 28090 SdHoareTripleChecker+Invalid, 19838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 11809 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 7637 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2021-11-17 01:45:33,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1588 Valid, 28090 Invalid, 19838 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [383 Valid, 11809 Invalid, 9 Unknown, 7637 Unchecked, 36.7s Time] [2021-11-17 01:45:33,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6669 states. [2021-11-17 01:45:33,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6669 to 5583. [2021-11-17 01:45:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 4357 states have (on average 1.4438834060133119) internal successors, (6291), 4413 states have internal predecessors, (6291), 978 states have call successors, (978), 236 states have call predecessors, (978), 247 states have return successors, (1068), 958 states have call predecessors, (1068), 977 states have call successors, (1068) [2021-11-17 01:45:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 8337 transitions. [2021-11-17 01:45:33,689 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 8337 transitions. Word has length 257 [2021-11-17 01:45:33,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:45:33,690 INFO L470 AbstractCegarLoop]: Abstraction has 5583 states and 8337 transitions. [2021-11-17 01:45:33,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.136363636363637) internal successors, (179), 18 states have internal predecessors, (179), 9 states have call successors, (34), 5 states have call predecessors, (34), 8 states have return successors, (31), 12 states have call predecessors, (31), 9 states have call successors, (31) [2021-11-17 01:45:33,691 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 8337 transitions. [2021-11-17 01:45:33,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-17 01:45:33,709 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:45:33,709 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:45:33,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-17 01:45:33,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-17 01:45:33,931 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:45:33,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:45:33,932 INFO L85 PathProgramCache]: Analyzing trace with hash 774563621, now seen corresponding path program 1 times [2021-11-17 01:45:33,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:45:33,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919568033] [2021-11-17 01:45:33,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:45:33,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:45:33,977 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:45:33,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [74586980] [2021-11-17 01:45:33,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:45:33,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:45:33,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:45:33,979 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:45:33,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-17 01:45:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:34,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 2824 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-17 01:45:34,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:45:34,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-17 01:45:41,933 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#value| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|v_#Ultimate.C_memset_#t~loopctr1144_9| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr1144_9| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)))) is different from true [2021-11-17 01:45:41,965 INFO L354 Elim1Store]: treesize reduction 28, result has 15.2 percent of original size [2021-11-17 01:45:41,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 25 [2021-11-17 01:45:41,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-17 01:46:08,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:46:08,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:46:08,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-17 01:46:08,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 6 [2021-11-17 01:46:14,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:46:14,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:46:15,860 WARN L860 $PredicateComparison]: unable to prove that (exists ((|usb_set_intfdata_dev_set_drvdata_~dev#1.offset| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_usb_set_intfdata_#in~intf#1.base| (let ((.cse0 (+ 489 |usb_set_intfdata_dev_set_drvdata_~dev#1.offset|))) (store (select |c_old(#memory_int)| |c_usb_set_intfdata_#in~intf#1.base|) .cse0 (select (select |c_#memory_int| |c_usb_set_intfdata_#in~intf#1.base|) .cse0)))))) is different from true [2021-11-17 01:46:15,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:46:15,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:46:52,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-17 01:46:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 1 not checked. [2021-11-17 01:46:52,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:46:55,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:46:55,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919568033] [2021-11-17 01:46:55,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:46:55,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74586980] [2021-11-17 01:46:55,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74586980] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:46:55,035 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:46:55,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2021-11-17 01:46:55,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609323111] [2021-11-17 01:46:55,035 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-17 01:46:55,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-17 01:46:55,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:46:55,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-17 01:46:55,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=555, Unknown=20, NotChecked=98, Total=756 [2021-11-17 01:46:55,036 INFO L87 Difference]: Start difference. First operand 5583 states and 8337 transitions. Second operand has 26 states, 26 states have (on average 6.923076923076923) internal successors, (180), 22 states have internal predecessors, (180), 10 states have call successors, (34), 6 states have call predecessors, (34), 9 states have return successors, (31), 12 states have call predecessors, (31), 10 states have call successors, (31) [2021-11-17 01:46:57,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:59,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:42,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:43,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:47:43,732 INFO L93 Difference]: Finished difference Result 10037 states and 15044 transitions. [2021-11-17 01:47:43,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-17 01:47:43,733 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.923076923076923) internal successors, (180), 22 states have internal predecessors, (180), 10 states have call successors, (34), 6 states have call predecessors, (34), 9 states have return successors, (31), 12 states have call predecessors, (31), 10 states have call successors, (31) Word has length 258 [2021-11-17 01:47:43,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:47:43,757 INFO L225 Difference]: With dead ends: 10037 [2021-11-17 01:47:43,757 INFO L226 Difference]: Without dead ends: 7386 [2021-11-17 01:47:43,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 301 SyntacticMatches, 15 SemanticMatches, 38 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 115.1s TimeCoverageRelationStatistics Valid=151, Invalid=1227, Unknown=36, NotChecked=146, Total=1560 [2021-11-17 01:47:43,766 INFO L933 BasicCegarLoop]: 2451 mSDtfsCounter, 1639 mSDsluCounter, 14279 mSDsCounter, 0 mSdLazyCounter, 4765 mSolverCounterSat, 364 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 16730 SdHoareTripleChecker+Invalid, 14524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 4765 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 9392 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:47:43,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1803 Valid, 16730 Invalid, 14524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 4765 Invalid, 3 Unknown, 9392 Unchecked, 12.0s Time] [2021-11-17 01:47:43,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7386 states. [2021-11-17 01:47:43,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7386 to 5599. [2021-11-17 01:47:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5599 states, 4367 states have (on average 1.4430959468742843) internal successors, (6302), 4424 states have internal predecessors, (6302), 980 states have call successors, (980), 239 states have call predecessors, (980), 251 states have return successors, (1070), 960 states have call predecessors, (1070), 979 states have call successors, (1070) [2021-11-17 01:47:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5599 states to 5599 states and 8352 transitions. [2021-11-17 01:47:43,985 INFO L78 Accepts]: Start accepts. Automaton has 5599 states and 8352 transitions. Word has length 258 [2021-11-17 01:47:43,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:47:43,986 INFO L470 AbstractCegarLoop]: Abstraction has 5599 states and 8352 transitions. [2021-11-17 01:47:43,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.923076923076923) internal successors, (180), 22 states have internal predecessors, (180), 10 states have call successors, (34), 6 states have call predecessors, (34), 9 states have return successors, (31), 12 states have call predecessors, (31), 10 states have call successors, (31) [2021-11-17 01:47:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand 5599 states and 8352 transitions. [2021-11-17 01:47:44,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-17 01:47:44,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:47:44,004 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:47:44,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-17 01:47:44,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:47:44,219 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:47:44,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:47:44,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1524799534, now seen corresponding path program 2 times [2021-11-17 01:47:44,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:47:44,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482528378] [2021-11-17 01:47:44,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:47:44,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:47:44,299 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:47:44,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772986645] [2021-11-17 01:47:44,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 01:47:44,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:47:44,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:47:44,301 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:47:44,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-17 01:48:20,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-17 01:48:20,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 01:48:20,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 2723 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-17 01:48:20,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:48:20,981 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-17 01:48:20,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20 [2021-11-17 01:48:21,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2021-11-17 01:48:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-17 01:48:21,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:48:22,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:48:22,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482528378] [2021-11-17 01:48:22,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:48:22,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772986645] [2021-11-17 01:48:22,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772986645] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:48:22,887 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:48:22,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2021-11-17 01:48:22,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036477213] [2021-11-17 01:48:22,887 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-17 01:48:22,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-17 01:48:22,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:48:22,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-17 01:48:22,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-11-17 01:48:22,888 INFO L87 Difference]: Start difference. First operand 5599 states and 8352 transitions. Second operand has 18 states, 18 states have (on average 8.722222222222221) internal successors, (157), 16 states have internal predecessors, (157), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (27), 9 states have call predecessors, (27), 8 states have call successors, (27) [2021-11-17 01:48:26,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:28,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:30,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:32,818 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:34,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:42,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:48:42,948 INFO L93 Difference]: Finished difference Result 8464 states and 12465 transitions. [2021-11-17 01:48:42,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-17 01:48:42,949 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.722222222222221) internal successors, (157), 16 states have internal predecessors, (157), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (27), 9 states have call predecessors, (27), 8 states have call successors, (27) Word has length 241 [2021-11-17 01:48:42,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:48:42,964 INFO L225 Difference]: With dead ends: 8464 [2021-11-17 01:48:42,964 INFO L226 Difference]: Without dead ends: 5813 [2021-11-17 01:48:42,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=133, Invalid=797, Unknown=0, NotChecked=0, Total=930 [2021-11-17 01:48:42,972 INFO L933 BasicCegarLoop]: 2862 mSDtfsCounter, 2278 mSDsluCounter, 34845 mSDsCounter, 0 mSdLazyCounter, 3923 mSolverCounterSat, 408 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2300 SdHoareTripleChecker+Valid, 37707 SdHoareTripleChecker+Invalid, 4704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 3923 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 368 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:48:42,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2300 Valid, 37707 Invalid, 4704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 3923 Invalid, 5 Unknown, 368 Unchecked, 19.5s Time] [2021-11-17 01:48:42,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5813 states. [2021-11-17 01:48:43,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5813 to 5653. [2021-11-17 01:48:43,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5653 states, 4406 states have (on average 1.440535633227417) internal successors, (6347), 4464 states have internal predecessors, (6347), 991 states have call successors, (991), 243 states have call predecessors, (991), 255 states have return successors, (1081), 971 states have call predecessors, (1081), 990 states have call successors, (1081) [2021-11-17 01:48:43,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5653 states to 5653 states and 8419 transitions. [2021-11-17 01:48:43,177 INFO L78 Accepts]: Start accepts. Automaton has 5653 states and 8419 transitions. Word has length 241 [2021-11-17 01:48:43,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:48:43,178 INFO L470 AbstractCegarLoop]: Abstraction has 5653 states and 8419 transitions. [2021-11-17 01:48:43,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.722222222222221) internal successors, (157), 16 states have internal predecessors, (157), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (27), 9 states have call predecessors, (27), 8 states have call successors, (27) [2021-11-17 01:48:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 5653 states and 8419 transitions. [2021-11-17 01:48:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-17 01:48:43,195 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:48:43,195 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:48:43,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-17 01:48:43,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-17 01:48:43,412 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:48:43,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:48:43,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1784034468, now seen corresponding path program 1 times [2021-11-17 01:48:43,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:48:43,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89406431] [2021-11-17 01:48:43,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:43,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:48:43,457 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:48:43,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [115997832] [2021-11-17 01:48:43,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:43,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:48:43,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:48:43,459 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:48:43,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-17 01:48:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:48:44,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 2719 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:48:44,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:48:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-17 01:48:44,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:48:44,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:48:44,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89406431] [2021-11-17 01:48:44,544 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:48:44,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115997832] [2021-11-17 01:48:44,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115997832] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:48:44,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:48:44,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 01:48:44,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754341110] [2021-11-17 01:48:44,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:48:44,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:48:44,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:48:44,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:48:44,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:48:44,546 INFO L87 Difference]: Start difference. First operand 5653 states and 8419 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 01:48:44,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:48:44,702 INFO L93 Difference]: Finished difference Result 9733 states and 14441 transitions. [2021-11-17 01:48:44,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:48:44,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 241 [2021-11-17 01:48:44,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:48:44,728 INFO L225 Difference]: With dead ends: 9733 [2021-11-17 01:48:44,728 INFO L226 Difference]: Without dead ends: 5657 [2021-11-17 01:48:44,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:48:44,744 INFO L933 BasicCegarLoop]: 1895 mSDtfsCounter, 0 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3786 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:48:44,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3786 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:48:44,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5657 states. [2021-11-17 01:48:44,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5657 to 5657. [2021-11-17 01:48:45,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5657 states, 4410 states have (on average 1.4401360544217687) internal successors, (6351), 4468 states have internal predecessors, (6351), 991 states have call successors, (991), 243 states have call predecessors, (991), 255 states have return successors, (1081), 971 states have call predecessors, (1081), 990 states have call successors, (1081) [2021-11-17 01:48:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5657 states to 5657 states and 8423 transitions. [2021-11-17 01:48:45,029 INFO L78 Accepts]: Start accepts. Automaton has 5657 states and 8423 transitions. Word has length 241 [2021-11-17 01:48:45,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:48:45,030 INFO L470 AbstractCegarLoop]: Abstraction has 5657 states and 8423 transitions. [2021-11-17 01:48:45,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 01:48:45,031 INFO L276 IsEmpty]: Start isEmpty. Operand 5657 states and 8423 transitions. [2021-11-17 01:48:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-17 01:48:45,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:48:45,049 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:48:45,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-17 01:48:45,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-17 01:48:45,264 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:48:45,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:48:45,264 INFO L85 PathProgramCache]: Analyzing trace with hash 606379679, now seen corresponding path program 1 times [2021-11-17 01:48:45,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:48:45,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786359713] [2021-11-17 01:48:45,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:45,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:48:45,319 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:48:45,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688701229] [2021-11-17 01:48:45,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:45,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:48:45,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:48:45,321 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:48:45,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-17 01:48:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:48:45,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 2782 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:48:45,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:48:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-17 01:48:46,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:48:46,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:48:46,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786359713] [2021-11-17 01:48:46,571 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:48:46,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688701229] [2021-11-17 01:48:46,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688701229] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:48:46,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:48:46,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 01:48:46,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989415343] [2021-11-17 01:48:46,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:48:46,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:48:46,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:48:46,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:48:46,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:48:46,573 INFO L87 Difference]: Start difference. First operand 5657 states and 8423 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 01:48:46,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:48:46,715 INFO L93 Difference]: Finished difference Result 9741 states and 14449 transitions. [2021-11-17 01:48:46,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:48:46,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 257 [2021-11-17 01:48:46,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:48:46,741 INFO L225 Difference]: With dead ends: 9741 [2021-11-17 01:48:46,741 INFO L226 Difference]: Without dead ends: 5661 [2021-11-17 01:48:46,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:48:46,757 INFO L933 BasicCegarLoop]: 1895 mSDtfsCounter, 0 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3786 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:48:46,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3786 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:48:46,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5661 states. [2021-11-17 01:48:47,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5661 to 5661. [2021-11-17 01:48:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5661 states, 4414 states have (on average 1.4397371998187585) internal successors, (6355), 4472 states have internal predecessors, (6355), 991 states have call successors, (991), 243 states have call predecessors, (991), 255 states have return successors, (1081), 971 states have call predecessors, (1081), 990 states have call successors, (1081) [2021-11-17 01:48:47,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5661 states to 5661 states and 8427 transitions. [2021-11-17 01:48:47,055 INFO L78 Accepts]: Start accepts. Automaton has 5661 states and 8427 transitions. Word has length 257 [2021-11-17 01:48:47,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:48:47,057 INFO L470 AbstractCegarLoop]: Abstraction has 5661 states and 8427 transitions. [2021-11-17 01:48:47,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 01:48:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 5661 states and 8427 transitions. [2021-11-17 01:48:47,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-17 01:48:47,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:48:47,075 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:48:47,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-17 01:48:47,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:48:47,288 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:48:47,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:48:47,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1549133928, now seen corresponding path program 1 times [2021-11-17 01:48:47,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:48:47,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559812465] [2021-11-17 01:48:47,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:47,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:48:47,336 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:48:47,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1089532081] [2021-11-17 01:48:47,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:47,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:48:47,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:48:47,338 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:48:47,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-17 01:48:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:48:48,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 2736 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-17 01:48:48,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:48:48,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2021-11-17 01:48:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-17 01:48:48,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:48:48,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:48:48,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559812465] [2021-11-17 01:48:48,603 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:48:48,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089532081] [2021-11-17 01:48:48,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089532081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:48:48,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:48:48,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 01:48:48,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190611701] [2021-11-17 01:48:48,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:48:48,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:48:48,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:48:48,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:48:48,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:48:48,605 INFO L87 Difference]: Start difference. First operand 5661 states and 8427 transitions. Second operand has 8 states, 8 states have (on average 20.125) internal successors, (161), 8 states have internal predecessors, (161), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 01:48:50,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:52,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:55,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:58,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:58,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:48:58,600 INFO L93 Difference]: Finished difference Result 9969 states and 14833 transitions. [2021-11-17 01:48:58,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 01:48:58,601 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 8 states have internal predecessors, (161), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 248 [2021-11-17 01:48:58,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:48:58,618 INFO L225 Difference]: With dead ends: 9969 [2021-11-17 01:48:58,618 INFO L226 Difference]: Without dead ends: 5885 [2021-11-17 01:48:58,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 240 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-17 01:48:58,630 INFO L933 BasicCegarLoop]: 1917 mSDtfsCounter, 113 mSDsluCounter, 6783 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 14 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 8700 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 316 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-11-17 01:48:58,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 8700 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 746 Invalid, 3 Unknown, 316 Unchecked, 9.8s Time] [2021-11-17 01:48:58,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5885 states. [2021-11-17 01:48:58,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5885 to 5715. [2021-11-17 01:48:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5715 states, 4456 states have (on average 1.4373877917414721) internal successors, (6405), 4514 states have internal predecessors, (6405), 999 states have call successors, (999), 247 states have call predecessors, (999), 259 states have return successors, (1089), 979 states have call predecessors, (1089), 998 states have call successors, (1089) [2021-11-17 01:48:58,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5715 states to 5715 states and 8493 transitions. [2021-11-17 01:48:58,950 INFO L78 Accepts]: Start accepts. Automaton has 5715 states and 8493 transitions. Word has length 248 [2021-11-17 01:48:58,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:48:58,950 INFO L470 AbstractCegarLoop]: Abstraction has 5715 states and 8493 transitions. [2021-11-17 01:48:58,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 8 states have internal predecessors, (161), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 01:48:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 5715 states and 8493 transitions. [2021-11-17 01:48:58,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-17 01:48:58,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:48:58,988 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:48:59,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-17 01:48:59,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:48:59,207 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:48:59,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:48:59,208 INFO L85 PathProgramCache]: Analyzing trace with hash -244569595, now seen corresponding path program 1 times [2021-11-17 01:48:59,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:48:59,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118084256] [2021-11-17 01:48:59,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:59,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:48:59,251 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:48:59,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [442382970] [2021-11-17 01:48:59,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:48:59,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:48:59,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:48:59,253 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:48:59,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-17 01:48:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:48:59,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 2784 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:48:59,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:49:00,207 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-17 01:49:00,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:49:00,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:49:00,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118084256] [2021-11-17 01:49:00,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:49:00,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442382970] [2021-11-17 01:49:00,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442382970] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:49:00,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:49:00,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 01:49:00,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926648608] [2021-11-17 01:49:00,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:49:00,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:49:00,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:49:00,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:49:00,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:49:00,210 INFO L87 Difference]: Start difference. First operand 5715 states and 8493 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 01:49:00,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:49:00,342 INFO L93 Difference]: Finished difference Result 9857 states and 14589 transitions. [2021-11-17 01:49:00,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:49:00,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 253 [2021-11-17 01:49:00,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:49:00,360 INFO L225 Difference]: With dead ends: 9857 [2021-11-17 01:49:00,361 INFO L226 Difference]: Without dead ends: 5719 [2021-11-17 01:49:00,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:49:00,374 INFO L933 BasicCegarLoop]: 1895 mSDtfsCounter, 0 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3786 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:49:00,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3786 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:49:00,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5719 states. [2021-11-17 01:49:00,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5719 to 5719. [2021-11-17 01:49:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5719 states, 4460 states have (on average 1.4369955156950673) internal successors, (6409), 4518 states have internal predecessors, (6409), 999 states have call successors, (999), 247 states have call predecessors, (999), 259 states have return successors, (1089), 979 states have call predecessors, (1089), 998 states have call successors, (1089) [2021-11-17 01:49:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5719 states to 5719 states and 8497 transitions. [2021-11-17 01:49:00,578 INFO L78 Accepts]: Start accepts. Automaton has 5719 states and 8497 transitions. Word has length 253 [2021-11-17 01:49:00,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:49:00,579 INFO L470 AbstractCegarLoop]: Abstraction has 5719 states and 8497 transitions. [2021-11-17 01:49:00,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 01:49:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 5719 states and 8497 transitions. [2021-11-17 01:49:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-17 01:49:00,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:49:00,616 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:49:00,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-17 01:49:00,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:49:00,844 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:49:00,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:49:00,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1795315952, now seen corresponding path program 1 times [2021-11-17 01:49:00,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:49:00,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033510751] [2021-11-17 01:49:00,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:49:00,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:49:00,889 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:49:00,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1616152759] [2021-11-17 01:49:00,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:49:00,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:49:00,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:49:00,891 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:49:00,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-17 01:49:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:49:01,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 2824 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-17 01:49:01,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:49:01,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-17 01:49:08,655 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr1144_10| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr1144_10| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2021-11-17 01:49:09,573 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#value| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|v_#Ultimate.C_memset_#t~loopctr1144_11| Int) (|v_#Ultimate.C_memset_#t~loopctr1144_10| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr1144_10| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr1144_11| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2021-11-17 01:49:09,605 INFO L354 Elim1Store]: treesize reduction 33, result has 13.2 percent of original size [2021-11-17 01:49:09,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 30 [2021-11-17 01:49:09,619 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-17 01:49:09,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2021-11-17 01:49:36,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:49:36,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:49:36,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-17 01:49:36,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 6 [2021-11-17 01:49:42,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:49:42,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:49:44,298 WARN L860 $PredicateComparison]: unable to prove that (exists ((|usb_set_intfdata_dev_set_drvdata_~dev#1.offset| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_usb_set_intfdata_#in~intf#1.base| (let ((.cse0 (+ 489 |usb_set_intfdata_dev_set_drvdata_~dev#1.offset|))) (store (select |c_old(#memory_int)| |c_usb_set_intfdata_#in~intf#1.base|) .cse0 (select (select |c_#memory_int| |c_usb_set_intfdata_#in~intf#1.base|) .cse0)))))) is different from true [2021-11-17 01:49:44,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 01:49:44,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 01:50:17,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-17 01:50:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 3 not checked. [2021-11-17 01:50:17,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:50:20,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:50:20,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033510751] [2021-11-17 01:50:20,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:50:20,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616152759] [2021-11-17 01:50:20,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616152759] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:50:20,240 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:50:20,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2021-11-17 01:50:20,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114608752] [2021-11-17 01:50:20,240 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-17 01:50:20,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-17 01:50:20,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:50:20,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-17 01:50:20,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=556, Unknown=21, NotChecked=150, Total=812 [2021-11-17 01:50:20,241 INFO L87 Difference]: Start difference. First operand 5719 states and 8497 transitions. Second operand has 27 states, 27 states have (on average 6.7407407407407405) internal successors, (182), 23 states have internal predecessors, (182), 10 states have call successors, (32), 6 states have call predecessors, (32), 9 states have return successors, (28), 12 states have call predecessors, (28), 10 states have call successors, (28) [2021-11-17 01:50:22,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:24,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:26,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:28,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:30,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:32,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:34,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:36,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:38,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:38,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:56,770 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:58,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:03,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:52:03,477 INFO L93 Difference]: Finished difference Result 12294 states and 18444 transitions. [2021-11-17 01:52:03,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-17 01:52:03,480 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.7407407407407405) internal successors, (182), 23 states have internal predecessors, (182), 10 states have call successors, (32), 6 states have call predecessors, (32), 9 states have return successors, (28), 12 states have call predecessors, (28), 10 states have call successors, (28) Word has length 256 [2021-11-17 01:52:03,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:52:03,501 INFO L225 Difference]: With dead ends: 12294 [2021-11-17 01:52:03,502 INFO L226 Difference]: Without dead ends: 9529 [2021-11-17 01:52:03,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 316 SyntacticMatches, 13 SemanticMatches, 54 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 139.9s TimeCoverageRelationStatistics Valid=298, Invalid=2420, Unknown=50, NotChecked=312, Total=3080 [2021-11-17 01:52:03,509 INFO L933 BasicCegarLoop]: 2758 mSDtfsCounter, 2090 mSDsluCounter, 28863 mSDsCounter, 0 mSdLazyCounter, 12508 mSolverCounterSat, 455 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 31621 SdHoareTripleChecker+Invalid, 29316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 12508 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 16343 IncrementalHoareTripleChecker+Unchecked, 39.9s IncrementalHoareTripleChecker+Time [2021-11-17 01:52:03,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2295 Valid, 31621 Invalid, 29316 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [455 Valid, 12508 Invalid, 10 Unknown, 16343 Unchecked, 39.9s Time] [2021-11-17 01:52:03,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9529 states. [2021-11-17 01:52:03,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9529 to 7227. [2021-11-17 01:52:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7227 states, 5699 states have (on average 1.4513072468854185) internal successors, (8271), 5771 states have internal predecessors, (8271), 1232 states have call successors, (1232), 280 states have call predecessors, (1232), 295 states have return successors, (1403), 1206 states have call predecessors, (1403), 1231 states have call successors, (1403) [2021-11-17 01:52:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7227 states to 7227 states and 10906 transitions. [2021-11-17 01:52:03,848 INFO L78 Accepts]: Start accepts. Automaton has 7227 states and 10906 transitions. Word has length 256 [2021-11-17 01:52:03,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:52:03,849 INFO L470 AbstractCegarLoop]: Abstraction has 7227 states and 10906 transitions. [2021-11-17 01:52:03,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.7407407407407405) internal successors, (182), 23 states have internal predecessors, (182), 10 states have call successors, (32), 6 states have call predecessors, (32), 9 states have return successors, (28), 12 states have call predecessors, (28), 10 states have call successors, (28) [2021-11-17 01:52:03,849 INFO L276 IsEmpty]: Start isEmpty. Operand 7227 states and 10906 transitions. [2021-11-17 01:52:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-17 01:52:03,870 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:52:03,871 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:52:03,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-17 01:52:04,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-17 01:52:04,085 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:52:04,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:52:04,085 INFO L85 PathProgramCache]: Analyzing trace with hash 233793485, now seen corresponding path program 1 times [2021-11-17 01:52:04,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:52:04,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045233179] [2021-11-17 01:52:04,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:52:04,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:52:04,131 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:52:04,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1695042676] [2021-11-17 01:52:04,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:52:04,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:52:04,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:52:04,133 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:52:04,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-17 01:52:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:52:04,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-17 01:52:04,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:52:04,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-17 01:52:04,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-17 01:52:04,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2021-11-17 01:52:05,024 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-17 01:52:05,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 17 [2021-11-17 01:52:05,112 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 01:52:05,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 20 [2021-11-17 01:52:05,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2021-11-17 01:52:05,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2021-11-17 01:52:23,468 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-11-17 01:52:23,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 19 [2021-11-17 01:52:23,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-11-17 01:53:16,228 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-11-17 01:53:16,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 47 [2021-11-17 01:53:16,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-17 01:53:18,329 INFO L354 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2021-11-17 01:53:18,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 65 [2021-11-17 01:53:18,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-17 01:53:55,912 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-11-17 01:53:55,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 66 [2021-11-17 01:53:55,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:53:55,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045233179] [2021-11-17 01:53:55,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:53:55,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695042676] [2021-11-17 01:53:55,921 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Should have been eliminated by DER [2021-11-17 01:53:55,921 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:53:55,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-17 01:53:55,921 ERROR L172 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2021-11-17 01:53:55,921 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-17 01:53:55,928 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-17 01:53:55,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-11-17 01:53:56,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-17 01:53:56,133 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:53:56,136 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-17 01:53:56,140 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-11-17 01:53:56,141 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-11-17 01:53:56,141 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-11-17 01:53:56,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 01:53:56 BoogieIcfgContainer [2021-11-17 01:53:56,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-17 01:53:56,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-17 01:53:56,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-17 01:53:56,176 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-17 01:53:56,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:41:22" (3/4) ... [2021-11-17 01:53:56,179 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-17 01:53:56,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-17 01:53:56,179 INFO L158 Benchmark]: Toolchain (without parser) took 760815.48ms. Allocated memory was 98.6MB in the beginning and 528.5MB in the end (delta: 429.9MB). Free memory was 59.4MB in the beginning and 241.3MB in the end (delta: -181.9MB). Peak memory consumption was 248.0MB. Max. memory is 16.1GB. [2021-11-17 01:53:56,179 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 55.8MB in the end (delta: 49.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-17 01:53:56,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1671.46ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 59.2MB in the beginning and 78.5MB in the end (delta: -19.3MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2021-11-17 01:53:56,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 195.85ms. Allocated memory is still 134.2MB. Free memory was 78.5MB in the beginning and 53.9MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-17 01:53:56,180 INFO L158 Benchmark]: Boogie Preprocessor took 231.95ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 53.9MB in the beginning and 106.8MB in the end (delta: -52.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-17 01:53:56,180 INFO L158 Benchmark]: RCFGBuilder took 5032.06ms. Allocated memory was 188.7MB in the beginning and 302.0MB in the end (delta: 113.2MB). Free memory was 106.8MB in the beginning and 199.5MB in the end (delta: -92.7MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. [2021-11-17 01:53:56,181 INFO L158 Benchmark]: TraceAbstraction took 753674.27ms. Allocated memory was 302.0MB in the beginning and 528.5MB in the end (delta: 226.5MB). Free memory was 199.5MB in the beginning and 241.3MB in the end (delta: -41.8MB). Peak memory consumption was 184.7MB. Max. memory is 16.1GB. [2021-11-17 01:53:56,181 INFO L158 Benchmark]: Witness Printer took 3.31ms. Allocated memory is still 528.5MB. Free memory is still 241.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-17 01:53:56,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 55.8MB in the end (delta: 49.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1671.46ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 59.2MB in the beginning and 78.5MB in the end (delta: -19.3MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 195.85ms. Allocated memory is still 134.2MB. Free memory was 78.5MB in the beginning and 53.9MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 231.95ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 53.9MB in the beginning and 106.8MB in the end (delta: -52.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5032.06ms. Allocated memory was 188.7MB in the beginning and 302.0MB in the end (delta: 113.2MB). Free memory was 106.8MB in the beginning and 199.5MB in the end (delta: -92.7MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. * TraceAbstraction took 753674.27ms. Allocated memory was 302.0MB in the beginning and 528.5MB in the end (delta: 226.5MB). Free memory was 199.5MB in the beginning and 241.3MB in the end (delta: -41.8MB). Peak memory consumption was 184.7MB. Max. memory is 16.1GB. * Witness Printer took 3.31ms. Allocated memory is still 528.5MB. Free memory is still 241.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * 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 - UnprovableResult [Line: 3810]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint, overapproximation of large string literal at line 6690, overapproximation of bitwiseAnd at line 7192. Possible FailurePath: [L3833] struct usb_interface *usbtest_driver_group1 ; [L3834] int LDV_IN_INTERRUPT = 1; [L3835] int ref_cnt ; [L3836] int ldv_state_variable_1 ; [L3837] int usb_counter ; [L3838] int ldv_state_variable_0 ; [L4073] static int override_alt = -1; [L4263] static unsigned int pattern ; [L4264] static unsigned int mod_pattern ; [L4617] static unsigned int realworld = 1U; [L6575] static unsigned int force_interrupt ; [L6576] static unsigned short vendor ; [L6577] static unsigned short product ; [L6731-L6732] static struct usbtest_info ez1_info = {"EZ-USB device", 2U, 2U, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1}; [L6733] static struct usbtest_info ez2_info = {"FX2 device", 6U, 2U, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1}; [L6734] static struct usbtest_info fw_info = {"usb test device", 2U, 2U, 1U, 1U, 1U, 1}; [L6735] static struct usbtest_info gz_info = {"Linux gadget zero", (unsigned char)0, (unsigned char)0, 1U, 1U, 1U, 0}; [L6736-L6737] static struct usbtest_info um_info = {"Linux user mode test driver", (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0, (unsigned char)0, -1}; [L6738-L6739] static struct usbtest_info um2_info = {"Linux user mode ISO test driver", (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0, 1U, -1}; [L6740-L6741] static struct usbtest_info generic_info = {"Generic USB device", (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, -1}; [L6742-L6766] static struct usb_device_id const id_table[9U] = { {3U, 1351U, 8757U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned long )(& ez1_info)}, {3U, 1351U, 128U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned long )(& ez1_info)}, {3U, 1204U, 34323U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned long )(& ez2_info)}, {3U, 65520U, 65520U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned long )(& fw_info)}, {3U, 1317U, 42144U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned long )(& gz_info)}, {3U, 1317U, 42148U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned long )(& um_info)}, {3U, 1317U, 42147U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned long )(& um2_info)}, {(unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned long )(& generic_info)}}; [L6767] struct usb_device_id const __mod_usb__id_table_device_table ; [L6768-L6783] static struct usb_driver usbtest_driver = {"usbtest", & usbtest_probe, & usbtest_disconnect, & usbtest_ioctl, & usbtest_suspend, & usbtest_resume, 0, 0, 0, (struct usb_device_id const *)(& id_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L6816] int ldv_retval_0 ; [L6817] int ldv_retval_4 ; [L6818] int ldv_retval_1 ; [L6822] int ldv_retval_3 ; [L6823] int ldv_retval_2 ; [L7188] int ldv_spin = 0; [L6835] unsigned int ldvarg1 ; [L6836] unsigned int tmp ; [L6837] struct usb_device_id *ldvarg3 ; [L6838] void *tmp___0 ; [L6839] void *ldvarg0 ; [L6840] void *tmp___1 ; [L6841] pm_message_t ldvarg2 ; [L6842] int tmp___2 ; [L6843] int tmp___3 ; [L6844] int tmp___4 ; [L6846] tmp = __VERIFIER_nondet_uint() [L6847] ldvarg1 = tmp [L6848] CALL, EXPR ldv_zalloc(32UL) [L3775] void *p ; [L3776] void *tmp ; [L3777] int tmp___0 ; [L3779] tmp___0 = __VERIFIER_nondet_int() [L3780] COND TRUE tmp___0 != 0 [L3781] return ((void *)0); [L6848] RET, EXPR ldv_zalloc(32UL) [L6848] tmp___0 = ldv_zalloc(32UL) [L6849] ldvarg3 = (struct usb_device_id *)tmp___0 [L6850] CALL, EXPR ldv_zalloc(1UL) [L3775] void *p ; [L3776] void *tmp ; [L3777] int tmp___0 ; [L3779] tmp___0 = __VERIFIER_nondet_int() [L3780] COND FALSE !(tmp___0 != 0) [L3783] EXPR, FCALL calloc(1UL, size) [L3783] tmp = calloc(1UL, size) [L3784] p = tmp [L3785] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L3754] COND FALSE !(!cond) [L3785] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L3786] return (p); [L6850] RET, EXPR ldv_zalloc(1UL) [L6850] tmp___1 = ldv_zalloc(1UL) [L6851] ldvarg0 = tmp___1 [L6852] FCALL ldv_initialize() [L6853] FCALL memset((void *)(& ldvarg2), 0, 4UL) [L6854] ldv_state_variable_1 = 0 [L6855] ref_cnt = 0 [L6856] ldv_state_variable_0 = 1 [L6858] tmp___2 = __VERIFIER_nondet_int() [L6860] case 0: [L6938] case 1: [L6939] COND TRUE ldv_state_variable_0 != 0 [L6940] tmp___4 = __VERIFIER_nondet_int() [L6942] case 0: [L6950] case 1: [L6951] COND TRUE ldv_state_variable_0 == 1 [L6952] CALL, EXPR usbtest_init() [L6786] struct _ddebug descriptor ; [L6787] long tmp ; [L6788] int tmp___0 ; [L6790] COND FALSE !((unsigned int )vendor != 0U) [L6805] CALL, EXPR ldv_usb_register_driver_33(& usbtest_driver, & __this_module, "usbtest") [L7168] ldv_func_ret_type___2 ldv_func_res ; [L7169] int tmp ; [L7171] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7377] return __VERIFIER_nondet_int(); [L7171] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7171] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7172] ldv_func_res = tmp [L7173] ldv_state_variable_1 = 1 [L7174] usb_counter = 0 [L7175] CALL ldv_usb_driver_1() [L6826] void *tmp ; [L6828] CALL, EXPR ldv_zalloc(1560UL) [L3775] void *p ; [L3776] void *tmp ; [L3777] int tmp___0 ; [L3779] tmp___0 = __VERIFIER_nondet_int() [L3780] COND FALSE !(tmp___0 != 0) [L3783] EXPR, FCALL calloc(1UL, size) [L3783] tmp = calloc(1UL, size) [L3784] p = tmp [L3785] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L3754] COND FALSE !(!cond) [L3785] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L3786] return (p); [L6828] RET, EXPR ldv_zalloc(1560UL) [L6828] tmp = ldv_zalloc(1560UL) [L6829] usbtest_driver_group1 = (struct usb_interface *)tmp [L7175] RET ldv_usb_driver_1() [L7176] return (ldv_func_res); [L6805] RET, EXPR ldv_usb_register_driver_33(& usbtest_driver, & __this_module, "usbtest") [L6805] tmp___0 = ldv_usb_register_driver_33(& usbtest_driver, & __this_module, "usbtest") [L6806] return (tmp___0); [L6806] return (tmp___0); [L6952] RET, EXPR usbtest_init() [L6952] ldv_retval_4 = usbtest_init() [L6953] COND TRUE ldv_retval_4 == 0 [L6954] ldv_state_variable_0 = 3 [L6957] COND FALSE !(ldv_retval_4 != 0) [L6858] tmp___2 = __VERIFIER_nondet_int() [L6860] case 0: [L6861] COND TRUE ldv_state_variable_1 != 0 [L6862] tmp___3 = __VERIFIER_nondet_int() [L6864] case 0: [L6865] COND TRUE ldv_state_variable_1 == 1 [L6866] CALL, EXPR usbtest_probe(usbtest_driver_group1, (struct usb_device_id const *)ldvarg3) [L6580] struct usb_device *udev ; [L6581] struct usbtest_dev *dev ; [L6582] struct usbtest_info *info ; [L6583] char *rtest ; [L6584] char *wtest ; [L6585] char *irtest ; [L6586] char *iwtest ; [L6587] void *tmp ; [L6588] struct lock_class_key __key ; [L6589] void *tmp___0 ; [L6590] unsigned int tmp___1 ; [L6591] unsigned int tmp___2 ; [L6592] int status ; [L6593] unsigned int tmp___3 ; [L6594] unsigned int tmp___4 ; [L6595] char const *tmp___5 ; [L6597] CALL, EXPR interface_to_usbdev(intf) [L4006] struct device const *__mptr ; [L4008] EXPR intf->dev.parent [L4008] __mptr = (struct device const *)intf->dev.parent [L4009] return ((struct usb_device *)__mptr + 0xffffffffffffff70UL); [L6597] RET, EXPR interface_to_usbdev(intf) [L6597] udev = interface_to_usbdev(intf) [L6598] EXPR id->match_flags [L6598] COND FALSE !((unsigned int )((unsigned short )id->match_flags) == 0U) [L6611] CALL, EXPR kzalloc(224UL, 208U) [L7035] CALL ldv_check_alloc_flags(flags) [L7192] COND TRUE ldv_spin == 0 || ! (flags & 16U) [L7035] RET ldv_check_alloc_flags(flags) [L7036] return ((void *)0); [L6611] RET, EXPR kzalloc(224UL, 208U) [L6611] tmp = kzalloc(224UL, 208U) [L6612] dev = (struct usbtest_dev *)tmp [L6613] COND FALSE !((unsigned long )dev == (unsigned long )((struct usbtest_dev *)0)) [L6617] EXPR id->driver_info [L6617] info = (struct usbtest_info *)id->driver_info [L6618] dev->info = info [L6619] FCALL __mutex_init(& dev->lock, "&dev->lock", & __key) [L6620] dev->intf = intf [L6621] CALL, EXPR kmalloc(256UL, 208U) [L7017] CALL ldv_check_alloc_flags(flags) [L7192] COND TRUE ldv_spin == 0 || ! (flags & 16U) [L7017] RET ldv_check_alloc_flags(flags) [L7018] CALL ldv_kmalloc_12(size, flags) [L3717] void *tmp___2 ; [L3719] CALL, EXPR __kmalloc(size, flags) [L3712] CALL, EXPR ldv_malloc(size) [L3758] void *p ; [L3759] void *tmp ; [L3760] int tmp___0 ; [L3762] tmp___0 = __VERIFIER_nondet_int() [L3763] COND TRUE tmp___0 != 0 [L3764] return ((void *)0); [L3712] RET, EXPR ldv_malloc(size) [L3712] return ldv_malloc(size); [L3719] RET, EXPR __kmalloc(size, flags) [L3719] tmp___2 = __kmalloc(size, flags) [L3720] return (tmp___2); [L7018] RET ldv_kmalloc_12(size, flags) [L7019] return ((void *)0); [L6621] RET, EXPR kmalloc(256UL, 208U) [L6621] tmp___0 = kmalloc(256UL, 208U) [L6622] dev->buf = (u8 *)tmp___0 [L6623] EXPR dev->buf [L6623] COND FALSE !((unsigned long )dev->buf == (unsigned long )((u8 *)0U)) [L6628] wtest = (char *)"" [L6629] rtest = wtest [L6630] iwtest = (char *)"" [L6631] irtest = iwtest [L6632] force_interrupt != 0U || (unsigned int )udev->speed == 1U [L6632] COND TRUE force_interrupt != 0U || (unsigned int )udev->speed == 1U [L6633] EXPR info->ep_in [L6633] COND FALSE !((unsigned int )info->ep_in != 0U) [L6639] EXPR info->ep_out [L6639] COND FALSE !((unsigned int )info->ep_out != 0U) [L6685] CALL usb_set_intfdata(intf, (void *)dev) [L4000] CALL dev_set_drvdata(& intf->dev, data) [L3982] dev->driver_data = data [L4000] RET dev_set_drvdata(& intf->dev, data) [L6685] RET usb_set_intfdata(intf, (void *)dev) [L6686] info->name [L6687] EXPR udev->speed [L6687] CALL, EXPR usb_speed_string(udev->speed) [L7391] CALL, EXPR ldv_malloc(sizeof(char)) [L3758] void *p ; [L3759] void *tmp ; [L3760] int tmp___0 ; [L3762] tmp___0 = __VERIFIER_nondet_int() [L3763] COND TRUE tmp___0 != 0 [L3764] return ((void *)0); [L7391] RET, EXPR ldv_malloc(sizeof(char)) [L7391] return ldv_malloc(sizeof(char)); [L6687] RET, EXPR usb_speed_string(udev->speed) [L6687] tmp___5 = usb_speed_string(udev->speed) [L6689] EXPR (unsigned char *)info + 10UL [L6689] (unsigned int )*((unsigned char *)info + 10UL) != 0U ? (char *)" in/out" : (char *)"" [L6690] EXPR info->alt [L6690] info->alt >= 0 ? (char *)" (+alt)" : (char *)"" [L6691] return (0); [L6691] return (0); [L6866] RET, EXPR usbtest_probe(usbtest_driver_group1, (struct usb_device_id const *)ldvarg3) [L6866] ldv_retval_3 = usbtest_probe(usbtest_driver_group1, (struct usb_device_id const *)ldvarg3) [L6867] COND TRUE ldv_retval_3 == 0 [L6868] ldv_state_variable_1 = 2 [L6869] ref_cnt = ref_cnt + 1 [L6858] tmp___2 = __VERIFIER_nondet_int() [L6860] case 0: [L6861] COND TRUE ldv_state_variable_1 != 0 [L6862] tmp___3 = __VERIFIER_nondet_int() [L6864] case 0: [L6875] case 1: [L6889] case 2: [L6899] case 3: [L6909] case 4: [L6910] COND FALSE !(ldv_state_variable_1 == 3) [L6915] COND TRUE ldv_state_variable_1 == 2 [L6916] CALL usbtest_ioctl(usbtest_driver_group1, ldvarg1, ldvarg0) [L6131] struct usbtest_dev *dev ; [L6132] void *tmp ; [L6133] struct usb_device *udev ; [L6134] struct usb_device *tmp___0 ; [L6135] struct usbtest_param *param ; [L6136] int retval ; [L6137] struct urb *urb ; [L6138] struct scatterlist *sg ; [L6139] struct usb_sg_request req ; [L6140] struct timeval start ; [L6141] unsigned int i ; [L6142] int tmp___1 ; [L6143] int res ; [L6144] unsigned int tmp___2 ; [L6145] unsigned int tmp___3 ; [L6146] unsigned int tmp___4 ; [L6147] unsigned int tmp___5 ; [L6149] CALL, EXPR usb_get_intfdata(intf) [L3991] void *tmp ; [L3993] CALL, EXPR dev_get_drvdata((struct device const *)(& intf->dev)) [L3976] EXPR dev->driver_data [L3976] return ((void *)dev->driver_data); [L3993] RET, EXPR dev_get_drvdata((struct device const *)(& intf->dev)) [L3993] tmp = dev_get_drvdata((struct device const *)(& intf->dev)) [L3994] return (tmp); [L6149] RET, EXPR usb_get_intfdata(intf) [L6149] tmp = usb_get_intfdata(intf) [L6150] dev = (struct usbtest_dev *)tmp [L6151] CALL, EXPR testdev_to_usbdev(dev) [L4076] struct usb_device *tmp ; [L4078] EXPR test->intf [L4078] CALL, EXPR interface_to_usbdev(test->intf) [L4006] struct device const *__mptr ; [L4008] EXPR intf->dev.parent [L4008] __mptr = (struct device const *)intf->dev.parent [L4009] return ((struct usb_device *)__mptr + 0xffffffffffffff70UL); [L4078] RET, EXPR interface_to_usbdev(test->intf) [L4078] tmp = interface_to_usbdev(test->intf) [L4079] return (tmp); [L6151] RET, EXPR testdev_to_usbdev(dev) [L6151] tmp___0 = testdev_to_usbdev(dev) [L6152] udev = tmp___0 [L6153] param = (struct usbtest_param *)buf [L6154] retval = -95 [L6155] pattern = mod_pattern [L6156] COND FALSE !(code != 3223868772U) [L6160] EXPR param->iterations [L6160] COND FALSE !(param->iterations == 0U) [L6164] CALL, EXPR mutex_lock_interruptible_nested(& dev->lock, 0U) [L7333] return __VERIFIER_nondet_int(); [L6164] RET, EXPR mutex_lock_interruptible_nested(& dev->lock, 0U) [L6164] tmp___1 = mutex_lock_interruptible_nested(& dev->lock, 0U) [L6165] COND FALSE !(tmp___1 != 0) [L6169] EXPR dev->info [L6169] EXPR (dev->info)->alt [L6169] COND FALSE !((dev->info)->alt >= 0) [L6185] FCALL do_gettimeofday(& start) [L6186] param->test_num [L6187] case 0U: [L6191] case 1U: [L6207] case 2U: [L6223] case 3U: [L6239] case 4U: [L6255] case 5U: [L6271] case 6U: [L6287] case 7U: [L6303] case 8U: [L6319] case 9U: [L6345] case 10U: [L6351] case 11U: [L6381] case 12U: [L6411] case 13U: [L6441] case 14U: [L6450] case 15U: [L6459] case 16U: [L6468] case 17U: [L6478] case 18U: [L6488] case 19U: [L6498] case 20U: [L6508] case 21U: [L6517] case 22U: [L6526] case 23U: [L6527] EXPR dev->in_iso_pipe [L6527] dev->in_iso_pipe == 0 || param->sglen == 0U [L6527] EXPR param->sglen [L6527] dev->in_iso_pipe == 0 || param->sglen == 0U [L6527] COND FALSE !(dev->in_iso_pipe == 0 || param->sglen == 0U) [L6532] param->iterations [L6532] param->sglen [L6532] param->length [L6533] EXPR dev->in_iso_pipe [L6533] EXPR dev->iso_in [L6533] CALL test_iso_queue(dev, param, dev->in_iso_pipe, dev->iso_in, 1U) [L5991] struct iso_context context ; [L5992] struct usb_device *udev ; [L5993] unsigned int i ; [L5994] unsigned long packets ; [L5995] int status ; [L5996] struct urb *urbs[10U] ; [L5997] struct lock_class_key __key ; [L5998] int tmp ; [L6000] packets = 0UL [L6001] status = 0 [L6002] EXPR param->sglen [L6002] COND FALSE !(param->sglen > 10U) [L6006] FCALL memset((void *)(& context), 0, 208UL) [L6007] EXPR param->iterations [L6007] EXPR param->sglen [L6007] context.count = param->iterations * param->sglen [L6008] context.dev = dev [L6009] CALL init_completion(& context.done) [L3695] struct lock_class_key __key ; [L3697] x->done = 0U [L3698] FCALL __init_waitqueue_head(& x->wait, "&x->wait", & __key) [L3699] return; [L6009] RET init_completion(& context.done) [L6010] CALL spinlock_check(& context.lock) [L3653] return (& lock->ldv_6347.rlock); [L6010] RET spinlock_check(& context.lock) [L6011] FCALL __raw_spin_lock_init(& context.lock.ldv_6347.rlock, "&(&context.lock)->rlock", & __key) [L6012] FCALL memset((void *)(& urbs), 0, 80UL) [L6013] CALL, EXPR testdev_to_usbdev(dev) [L4076] struct usb_device *tmp ; [L4078] EXPR test->intf [L4078] CALL, EXPR interface_to_usbdev(test->intf) [L4006] struct device const *__mptr ; [L4008] EXPR intf->dev.parent [L4008] __mptr = (struct device const *)intf->dev.parent [L4009] return ((struct usb_device *)__mptr + 0xffffffffffffff70UL); [L4078] RET, EXPR interface_to_usbdev(test->intf) [L4078] tmp = interface_to_usbdev(test->intf) [L4079] return (tmp); [L6013] RET, EXPR testdev_to_usbdev(dev) [L6013] udev = testdev_to_usbdev(dev) [L6014] CALL, EXPR usb_endpoint_maxp((struct usb_endpoint_descriptor const *)desc) [L3968] EXPR epd->wMaxPacketSize [L3968] return ((int )epd->wMaxPacketSize); [L6014] RET, EXPR usb_endpoint_maxp((struct usb_endpoint_descriptor const *)desc) [L6014] tmp = usb_endpoint_maxp((struct usb_endpoint_descriptor const *)desc) [L6015] dev->intf [L6016] desc->bInterval [L6016] EXPR udev->speed [L6016] (unsigned int )udev->speed == 3U ? (char *)"micro" : (char *)"" [L6018] i = 0U [L6031] EXPR param->sglen [L6031] COND TRUE param->sglen > i [L6021] EXPR param->length [L6021] CALL, EXPR iso_alloc_urb(udev, pipe, desc, (long )param->length, offset) [L5927] struct urb *urb ; [L5928] unsigned int i ; [L5929] unsigned int maxp ; [L5930] unsigned int packets ; [L5931] int tmp ; [L5932] int tmp___0 ; [L5933] unsigned int _min1 ; [L5934] unsigned int _min2 ; [L5936] COND TRUE bytes < 0L || (unsigned long )desc == (unsigned long )((struct usb_endpoint_descriptor *)0) [L5937] return ((struct urb *)0); [L6021] RET, EXPR iso_alloc_urb(udev, pipe, desc, (long )param->length, offset) [L6021] urbs[i] = iso_alloc_urb(udev, pipe, desc, (long )param->length, offset) [L6022] EXPR urbs[i] [L6022] COND FALSE !((unsigned long )urbs[i] == (unsigned long )((struct urb *)0)) [L6027] EXPR urbs[i] [L6027] EXPR (urbs[i])->number_of_packets [L6027] packets = (unsigned long )(urbs[i])->number_of_packets + packets [L6028] EXPR urbs[i] [L6028] (urbs[i])->context = (void *)(& context) [L6029] i = i + 1U [L6031] EXPR param->sglen [L6031] COND FALSE !(param->sglen > i) [L6035] EXPR param->iterations [L6035] packets = (unsigned long )param->iterations * packets [L6036] dev->intf [L6037] desc->bInterval [L6037] EXPR udev->speed [L6037] (unsigned int )udev->speed == 3U ? 8UL : 1UL [L6039] CALL spin_lock_irq(& context.lock) [L6993] CALL ldv_spin_lock() [L7225] ldv_spin = 1 [L6993] RET ldv_spin_lock() [L6994] CALL ldv_spin_lock_irq_4(lock) [L3667] FCALL _raw_spin_lock_irq(& lock->ldv_6347.rlock) [L6994] RET ldv_spin_lock_irq_4(lock) [L6039] RET spin_lock_irq(& context.lock) [L6040] i = 0U [L6062] EXPR param->sglen [L6062] COND TRUE param->sglen > i [L6043] EXPR context.pending [L6043] context.pending = context.pending + 1U [L6044] EXPR urbs[i] [L6044] CALL ldv_usb_submit_urb_32(urbs[i], 32U) [L7158] int tmp ; [L7160] CALL ldv_check_alloc_flags(flags) [L7192] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) [L7194] CALL ldv_error() [L3810] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 70 procedures, 1326 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 753.6s, OverallIterations: 23, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 324.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 37 mSolverCounterUnknown, 27962 SdHoareTripleChecker+Valid, 162.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26844 mSDsluCounter, 249653 SdHoareTripleChecker+Invalid, 149.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 52535 IncrementalHoareTripleChecker+Unchecked, 203260 mSDsCounter, 5794 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52432 IncrementalHoareTripleChecker+Invalid, 110798 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5794 mSolverCounterUnsat, 46393 mSDtfsCounter, 52432 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5575 GetRequests, 5158 SyntacticMatches, 74 SemanticMatches, 343 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 2503 ImplicationChecksByTransitivity, 399.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7227occurred in iteration=22, InterpolantAutomatonStates: 286, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 22 MinimizatonAttempts, 9916 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.7s SsaConstructionTime, 42.0s SatisfiabilityAnalysisTime, 370.6s InterpolantComputationTime, 6184 NumberOfCodeBlocks, 6184 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 4815 ConstructedInterpolants, 420 QuantifiedInterpolants, 16366 SizeOfPredicates, 182 NumberOfNonLiveVariables, 55622 ConjunctsInSsa, 556 ConjunctsInUnsatCore, 23 InterpolantComputations, 15 PerfectInterpolantSequences, 1064/1124 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-17 01:53:56,395 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-17 01:53:56,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 01:53:58,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 01:53:58,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 01:53:58,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 01:53:58,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 01:53:58,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 01:53:58,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 01:53:58,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 01:53:58,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 01:53:58,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 01:53:58,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 01:53:58,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 01:53:58,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 01:53:58,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 01:53:58,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 01:53:58,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 01:53:58,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 01:53:58,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 01:53:58,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 01:53:58,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 01:53:58,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 01:53:58,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 01:53:58,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 01:53:58,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 01:53:58,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 01:53:58,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 01:53:58,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 01:53:58,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 01:53:58,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 01:53:58,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 01:53:58,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 01:53:58,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 01:53:58,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 01:53:58,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 01:53:58,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 01:53:58,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 01:53:58,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 01:53:58,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 01:53:58,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 01:53:58,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 01:53:58,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 01:53:58,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-17 01:53:58,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 01:53:58,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 01:53:58,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 01:53:58,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 01:53:58,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 01:53:58,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 01:53:58,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 01:53:58,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 01:53:58,193 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 01:53:58,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 01:53:58,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 01:53:58,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 01:53:58,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 01:53:58,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 01:53:58,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-17 01:53:58,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-17 01:53:58,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 01:53:58,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 01:53:58,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 01:53:58,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 01:53:58,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 01:53:58,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 01:53:58,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:53:58,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 01:53:58,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 01:53:58,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 01:53:58,197 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-17 01:53:58,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-17 01:53:58,197 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 01:53:58,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 01:53:58,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 01:53:58,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 01:53:58,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-17 01:53:58,198 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 [2021-11-17 01:53:58,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 01:53:58,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 01:53:58,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 01:53:58,527 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 01:53:58,529 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 01:53:58,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2021-11-17 01:53:58,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e03fe37e/af1df3ebb4454f3c8e7ce7ac0f8b2e03/FLAG5b3bbe02c [2021-11-17 01:53:59,323 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 01:53:59,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2021-11-17 01:53:59,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e03fe37e/af1df3ebb4454f3c8e7ce7ac0f8b2e03/FLAG5b3bbe02c [2021-11-17 01:53:59,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e03fe37e/af1df3ebb4454f3c8e7ce7ac0f8b2e03 [2021-11-17 01:53:59,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 01:53:59,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 01:53:59,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 01:53:59,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 01:53:59,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 01:53:59,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:53:59" (1/1) ... [2021-11-17 01:53:59,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e52fc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:59, skipping insertion in model container [2021-11-17 01:53:59,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:53:59" (1/1) ... [2021-11-17 01:53:59,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 01:53:59,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 01:54:00,179 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2021-11-17 01:54:00,179 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2021-11-17 01:54:00,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i[105797,105810] [2021-11-17 01:54:00,864 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:54:00,885 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 01:54:00,954 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2021-11-17 01:54:00,954 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2021-11-17 01:54:00,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i[105797,105810] [2021-11-17 01:54:01,213 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:54:01,272 INFO L208 MainTranslator]: Completed translation [2021-11-17 01:54:01,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01 WrapperNode [2021-11-17 01:54:01,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 01:54:01,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 01:54:01,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 01:54:01,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 01:54:01,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01" (1/1) ... [2021-11-17 01:54:01,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01" (1/1) ... [2021-11-17 01:54:01,472 INFO L137 Inliner]: procedures = 198, calls = 1686, calls flagged for inlining = 77, calls inlined = 68, statements flattened = 4375 [2021-11-17 01:54:01,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 01:54:01,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 01:54:01,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 01:54:01,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 01:54:01,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01" (1/1) ... [2021-11-17 01:54:01,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01" (1/1) ... [2021-11-17 01:54:01,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01" (1/1) ... [2021-11-17 01:54:01,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01" (1/1) ... [2021-11-17 01:54:01,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01" (1/1) ... [2021-11-17 01:54:01,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01" (1/1) ... [2021-11-17 01:54:01,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01" (1/1) ... [2021-11-17 01:54:01,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 01:54:01,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 01:54:01,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 01:54:01,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 01:54:01,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01" (1/1) ... [2021-11-17 01:54:01,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:54:01,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:54:01,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 01:54:01,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 01:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-17 01:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-17 01:54:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-17 01:54:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-17 01:54:01,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-17 01:54:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2021-11-17 01:54:01,778 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2021-11-17 01:54:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-17 01:54:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2021-11-17 01:54:01,779 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2021-11-17 01:54:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-17 01:54:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-17 01:54:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 01:54:01,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 01:54:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-17 01:54:01,780 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-17 01:54:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2021-11-17 01:54:01,780 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2021-11-17 01:54:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2021-11-17 01:54:01,780 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2021-11-17 01:54:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 01:54:01,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 01:54:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2021-11-17 01:54:01,781 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2021-11-17 01:54:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 01:54:01,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 01:54:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-17 01:54:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-17 01:54:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2021-11-17 01:54:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2021-11-17 01:54:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 01:54:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 01:54:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-17 01:54:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-17 01:54:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 01:54:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 01:54:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-17 01:54:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-17 01:54:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 01:54:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 01:54:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 01:54:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 01:54:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 01:54:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 01:54:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2021-11-17 01:54:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2021-11-17 01:54:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2021-11-17 01:54:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2021-11-17 01:54:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 01:54:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 01:54:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2021-11-17 01:54:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2021-11-17 01:54:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2021-11-17 01:54:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2021-11-17 01:54:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-17 01:54:01,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-17 01:54:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 01:54:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-11-17 01:54:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-11-17 01:54:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-17 01:54:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-17 01:54:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2021-11-17 01:54:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2021-11-17 01:54:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 01:54:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-17 01:54:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-17 01:54:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 01:54:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 01:54:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-17 01:54:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-17 01:54:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-17 01:54:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 01:54:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-17 01:54:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 01:54:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2021-11-17 01:54:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2021-11-17 01:54:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2021-11-17 01:54:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2021-11-17 01:54:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-17 01:54:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-17 01:54:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-17 01:54:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-17 01:54:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2021-11-17 01:54:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2021-11-17 01:54:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 01:54:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 01:54:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 01:54:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 01:54:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2021-11-17 01:54:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2021-11-17 01:54:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-17 01:54:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-17 01:54:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-17 01:54:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-17 01:54:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2021-11-17 01:54:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2021-11-17 01:54:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-17 01:54:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-17 01:54:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 01:54:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 01:54:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-17 01:54:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-17 01:54:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 01:54:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 01:54:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-17 01:54:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-17 01:54:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2021-11-17 01:54:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2021-11-17 01:54:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-17 01:54:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-17 01:54:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-17 01:54:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-17 01:54:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 01:54:01,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 01:54:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 01:54:01,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 01:54:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-17 01:54:01,804 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-17 01:54:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2021-11-17 01:54:01,805 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2021-11-17 01:54:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-17 01:54:01,805 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-17 01:54:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 01:54:01,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 01:54:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2021-11-17 01:54:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2021-11-17 01:54:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2021-11-17 01:54:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2021-11-17 01:54:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 01:54:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-17 01:54:01,811 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-17 01:54:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 01:54:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-17 01:54:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-17 01:54:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 01:54:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-17 01:54:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-17 01:54:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-17 01:54:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-17 01:54:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2021-11-17 01:54:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2021-11-17 01:54:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-17 01:54:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-17 01:54:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-17 01:54:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-17 01:54:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2021-11-17 01:54:01,814 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2021-11-17 01:54:01,814 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2021-11-17 01:54:01,814 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2021-11-17 01:54:01,814 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2021-11-17 01:54:01,814 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2021-11-17 01:54:01,814 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2021-11-17 01:54:01,814 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2021-11-17 01:54:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-17 01:54:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-17 01:54:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 01:54:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 01:54:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2021-11-17 01:54:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2021-11-17 01:54:02,462 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 01:54:02,465 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 01:54:03,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 01:54:12,119 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 01:54:12,140 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 01:54:12,140 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 01:54:12,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:54:12 BoogieIcfgContainer [2021-11-17 01:54:12,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 01:54:12,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 01:54:12,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 01:54:12,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 01:54:12,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:53:59" (1/3) ... [2021-11-17 01:54:12,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d21f591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:54:12, skipping insertion in model container [2021-11-17 01:54:12,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:54:01" (2/3) ... [2021-11-17 01:54:12,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d21f591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:54:12, skipping insertion in model container [2021-11-17 01:54:12,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:54:12" (3/3) ... [2021-11-17 01:54:12,159 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2021-11-17 01:54:12,163 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 01:54:12,163 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 01:54:12,213 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 01:54:12,222 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 [2021-11-17 01:54:12,223 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 01:54:12,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 1325 states, 999 states have (on average 1.4214214214214214) internal successors, (1420), 1014 states have internal predecessors, (1420), 256 states have call successors, (256), 69 states have call predecessors, (256), 68 states have return successors, (253), 250 states have call predecessors, (253), 253 states have call successors, (253) [2021-11-17 01:54:12,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-17 01:54:12,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:54:12,274 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 01:54:12,275 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:54:12,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:54:12,280 INFO L85 PathProgramCache]: Analyzing trace with hash 810260350, now seen corresponding path program 1 times [2021-11-17 01:54:12,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:54:12,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368918163] [2021-11-17 01:54:12,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:54:12,295 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:54:12,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:54:12,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:54:12,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-17 01:54:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:13,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 01:54:13,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:54:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 01:54:13,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:54:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 01:54:13,450 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:54:13,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368918163] [2021-11-17 01:54:13,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368918163] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:54:13,450 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:54:13,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-17 01:54:13,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248295110] [2021-11-17 01:54:13,453 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:54:13,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:54:13,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:54:13,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:54:13,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:54:13,482 INFO L87 Difference]: Start difference. First operand has 1325 states, 999 states have (on average 1.4214214214214214) internal successors, (1420), 1014 states have internal predecessors, (1420), 256 states have call successors, (256), 69 states have call predecessors, (256), 68 states have return successors, (253), 250 states have call predecessors, (253), 253 states have call successors, (253) Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 01:54:13,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:54:13,900 INFO L93 Difference]: Finished difference Result 2654 states and 3964 transitions. [2021-11-17 01:54:13,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:54:13,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2021-11-17 01:54:13,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:54:13,922 INFO L225 Difference]: With dead ends: 2654 [2021-11-17 01:54:13,922 INFO L226 Difference]: Without dead ends: 1314 [2021-11-17 01:54:13,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:54:13,938 INFO L933 BasicCegarLoop]: 1915 mSDtfsCounter, 9 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3825 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:54:13,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 3825 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 01:54:13,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2021-11-17 01:54:14,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2021-11-17 01:54:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 991 states have (on average 1.415741675075681) internal successors, (1403), 1002 states have internal predecessors, (1403), 253 states have call successors, (253), 69 states have call predecessors, (253), 69 states have return successors, (264), 249 states have call predecessors, (264), 252 states have call successors, (264) [2021-11-17 01:54:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1920 transitions. [2021-11-17 01:54:14,085 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1920 transitions. Word has length 39 [2021-11-17 01:54:14,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:54:14,086 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 1920 transitions. [2021-11-17 01:54:14,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 01:54:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1920 transitions. [2021-11-17 01:54:14,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-17 01:54:14,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:54:14,095 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] [2021-11-17 01:54:14,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-17 01:54:14,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:54:14,312 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:54:14,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:54:14,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1690904926, now seen corresponding path program 1 times [2021-11-17 01:54:14,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:54:14,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244371284] [2021-11-17 01:54:14,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:54:14,314 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:54:14,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:54:14,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:54:14,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-17 01:54:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:14,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-17 01:54:14,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:54:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 01:54:15,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:54:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 01:54:15,432 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:54:15,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244371284] [2021-11-17 01:54:15,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1244371284] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 01:54:15,432 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 01:54:15,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-17 01:54:15,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587423317] [2021-11-17 01:54:15,432 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 01:54:15,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 01:54:15,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:54:15,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 01:54:15,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:54:15,434 INFO L87 Difference]: Start difference. First operand 1314 states and 1920 transitions. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 01:54:16,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:54:16,544 INFO L93 Difference]: Finished difference Result 2632 states and 3867 transitions. [2021-11-17 01:54:16,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 01:54:16,545 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2021-11-17 01:54:16,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:54:16,555 INFO L225 Difference]: With dead ends: 2632 [2021-11-17 01:54:16,555 INFO L226 Difference]: Without dead ends: 1324 [2021-11-17 01:54:16,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-17 01:54:16,568 INFO L933 BasicCegarLoop]: 1889 mSDtfsCounter, 15 mSDsluCounter, 11280 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 13169 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-17 01:54:16,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 13169 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-17 01:54:16,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2021-11-17 01:54:16,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1318. [2021-11-17 01:54:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1318 states, 995 states have (on average 1.4170854271356783) internal successors, (1410), 1006 states have internal predecessors, (1410), 253 states have call successors, (253), 69 states have call predecessors, (253), 69 states have return successors, (258), 249 states have call predecessors, (258), 252 states have call successors, (258) [2021-11-17 01:54:16,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1921 transitions. [2021-11-17 01:54:16,633 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1921 transitions. Word has length 41 [2021-11-17 01:54:16,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:54:16,633 INFO L470 AbstractCegarLoop]: Abstraction has 1318 states and 1921 transitions. [2021-11-17 01:54:16,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 01:54:16,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1921 transitions. [2021-11-17 01:54:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-17 01:54:16,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:54:16,636 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2021-11-17 01:54:16,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-17 01:54:16,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:54:16,852 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:54:16,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:54:16,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1881785150, now seen corresponding path program 2 times [2021-11-17 01:54:16,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:54:16,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787551619] [2021-11-17 01:54:16,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 01:54:16,854 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:54:16,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:54:16,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:54:16,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-17 01:54:17,518 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-17 01:54:17,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 01:54:17,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:54:17,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:54:17,650 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-17 01:54:17,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:54:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-17 01:54:17,755 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:54:17,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787551619] [2021-11-17 01:54:17,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787551619] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:54:17,755 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:54:17,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-17 01:54:17,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609688856] [2021-11-17 01:54:17,756 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:54:17,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:54:17,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:54:17,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:54:17,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:54:17,757 INFO L87 Difference]: Start difference. First operand 1318 states and 1921 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-17 01:54:17,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:54:17,979 INFO L93 Difference]: Finished difference Result 2670 states and 3885 transitions. [2021-11-17 01:54:17,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:54:17,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2021-11-17 01:54:17,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:54:17,988 INFO L225 Difference]: With dead ends: 2670 [2021-11-17 01:54:17,989 INFO L226 Difference]: Without dead ends: 1359 [2021-11-17 01:54:17,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:54:17,996 INFO L933 BasicCegarLoop]: 1898 mSDtfsCounter, 52 mSDsluCounter, 1858 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 3756 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:54:17,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 3756 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 01:54:18,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2021-11-17 01:54:18,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1349. [2021-11-17 01:54:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1021 states have (on average 1.4113614103819785) internal successors, (1441), 1032 states have internal predecessors, (1441), 255 states have call successors, (255), 73 states have call predecessors, (255), 72 states have return successors, (254), 250 states have call predecessors, (254), 254 states have call successors, (254) [2021-11-17 01:54:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1950 transitions. [2021-11-17 01:54:18,042 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1950 transitions. Word has length 43 [2021-11-17 01:54:18,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:54:18,043 INFO L470 AbstractCegarLoop]: Abstraction has 1349 states and 1950 transitions. [2021-11-17 01:54:18,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-17 01:54:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1950 transitions. [2021-11-17 01:54:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-17 01:54:18,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:54:18,045 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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] [2021-11-17 01:54:18,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-17 01:54:18,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:54:18,260 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:54:18,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:54:18,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1479665570, now seen corresponding path program 1 times [2021-11-17 01:54:18,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:54:18,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288198356] [2021-11-17 01:54:18,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:54:18,262 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:54:18,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:54:18,264 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:54:18,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-17 01:54:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:18,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:54:18,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:54:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-17 01:54:19,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:54:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-17 01:54:19,463 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:54:19,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288198356] [2021-11-17 01:54:19,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288198356] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:54:19,463 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:54:19,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-17 01:54:19,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133861184] [2021-11-17 01:54:19,464 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:54:19,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:54:19,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:54:19,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:54:19,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:54:19,465 INFO L87 Difference]: Start difference. First operand 1349 states and 1950 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-17 01:54:19,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:54:19,519 INFO L93 Difference]: Finished difference Result 1382 states and 1981 transitions. [2021-11-17 01:54:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:54:19,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 64 [2021-11-17 01:54:19,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:54:19,527 INFO L225 Difference]: With dead ends: 1382 [2021-11-17 01:54:19,527 INFO L226 Difference]: Without dead ends: 1379 [2021-11-17 01:54:19,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:54:19,529 INFO L933 BasicCegarLoop]: 1900 mSDtfsCounter, 1797 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 1973 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:54:19,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1797 Valid, 1973 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:54:19,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2021-11-17 01:54:19,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1379. [2021-11-17 01:54:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 1040 states have (on average 1.4048076923076922) internal successors, (1461), 1051 states have internal predecessors, (1461), 259 states have call successors, (259), 80 states have call predecessors, (259), 79 states have return successors, (258), 254 states have call predecessors, (258), 258 states have call successors, (258) [2021-11-17 01:54:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1978 transitions. [2021-11-17 01:54:19,597 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1978 transitions. Word has length 64 [2021-11-17 01:54:19,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:54:19,599 INFO L470 AbstractCegarLoop]: Abstraction has 1379 states and 1978 transitions. [2021-11-17 01:54:19,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-17 01:54:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1978 transitions. [2021-11-17 01:54:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-17 01:54:19,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:54:19,612 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:54:19,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-17 01:54:19,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:54:19,827 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:54:19,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:54:19,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1493244563, now seen corresponding path program 1 times [2021-11-17 01:54:19,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:54:19,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274041597] [2021-11-17 01:54:19,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:54:19,831 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:54:19,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:54:19,832 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:54:19,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-17 01:54:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:20,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:54:20,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:54:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-17 01:54:21,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:54:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-17 01:54:21,665 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:54:21,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274041597] [2021-11-17 01:54:21,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1274041597] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:54:21,665 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:54:21,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-17 01:54:21,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786779675] [2021-11-17 01:54:21,666 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:54:21,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:54:21,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:54:21,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:54:21,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:54:21,667 INFO L87 Difference]: Start difference. First operand 1379 states and 1978 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2021-11-17 01:54:24,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:54:24,261 INFO L93 Difference]: Finished difference Result 4018 states and 5748 transitions. [2021-11-17 01:54:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 01:54:24,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 163 [2021-11-17 01:54:24,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:54:24,277 INFO L225 Difference]: With dead ends: 4018 [2021-11-17 01:54:24,277 INFO L226 Difference]: Without dead ends: 2667 [2021-11-17 01:54:24,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:54:24,285 INFO L933 BasicCegarLoop]: 2160 mSDtfsCounter, 1953 mSDsluCounter, 3120 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1953 SdHoareTripleChecker+Valid, 5280 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:54:24,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1953 Valid, 5280 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-17 01:54:24,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2021-11-17 01:54:24,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2651. [2021-11-17 01:54:24,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2651 states, 1994 states have (on average 1.3976930792377131) internal successors, (2787), 2016 states have internal predecessors, (2787), 492 states have call successors, (492), 165 states have call predecessors, (492), 164 states have return successors, (491), 483 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-17 01:54:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 3770 transitions. [2021-11-17 01:54:24,415 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 3770 transitions. Word has length 163 [2021-11-17 01:54:24,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:54:24,416 INFO L470 AbstractCegarLoop]: Abstraction has 2651 states and 3770 transitions. [2021-11-17 01:54:24,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2021-11-17 01:54:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3770 transitions. [2021-11-17 01:54:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-17 01:54:24,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:54:24,426 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:54:24,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-17 01:54:24,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:54:24,652 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:54:24,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:54:24,652 INFO L85 PathProgramCache]: Analyzing trace with hash -408123980, now seen corresponding path program 1 times [2021-11-17 01:54:24,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:54:24,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208954102] [2021-11-17 01:54:24,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:54:24,654 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:54:24,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:54:24,655 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:54:24,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-17 01:54:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:25,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 01:54:25,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:54:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-17 01:54:25,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:54:26,375 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-17 01:54:26,376 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:54:26,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208954102] [2021-11-17 01:54:26,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208954102] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:54:26,376 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:54:26,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-17 01:54:26,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080406874] [2021-11-17 01:54:26,376 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:54:26,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:54:26,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:54:26,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:54:26,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:54:26,377 INFO L87 Difference]: Start difference. First operand 2651 states and 3770 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 01:54:27,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:54:27,091 INFO L93 Difference]: Finished difference Result 5748 states and 8148 transitions. [2021-11-17 01:54:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 01:54:27,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 179 [2021-11-17 01:54:27,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:54:27,116 INFO L225 Difference]: With dead ends: 5748 [2021-11-17 01:54:27,117 INFO L226 Difference]: Without dead ends: 3125 [2021-11-17 01:54:27,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:54:27,131 INFO L933 BasicCegarLoop]: 2206 mSDtfsCounter, 964 mSDsluCounter, 6504 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 8710 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:54:27,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [964 Valid, 8710 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-17 01:54:27,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3125 states. [2021-11-17 01:54:27,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3125 to 2653. [2021-11-17 01:54:27,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 1996 states have (on average 1.3972945891783568) internal successors, (2789), 2018 states have internal predecessors, (2789), 492 states have call successors, (492), 165 states have call predecessors, (492), 164 states have return successors, (491), 483 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-17 01:54:27,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 3772 transitions. [2021-11-17 01:54:27,269 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 3772 transitions. Word has length 179 [2021-11-17 01:54:27,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:54:27,270 INFO L470 AbstractCegarLoop]: Abstraction has 2653 states and 3772 transitions. [2021-11-17 01:54:27,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 01:54:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3772 transitions. [2021-11-17 01:54:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-17 01:54:27,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:54:27,280 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:54:27,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-17 01:54:27,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:54:27,508 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:54:27,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:54:27,508 INFO L85 PathProgramCache]: Analyzing trace with hash -128535784, now seen corresponding path program 1 times [2021-11-17 01:54:27,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 01:54:27,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307235877] [2021-11-17 01:54:27,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:54:27,510 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 01:54:27,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 01:54:27,511 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 01:54:27,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-17 01:54:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:28,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-17 01:54:28,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:54:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-17 01:54:29,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:54:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-17 01:54:29,639 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 01:54:29,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307235877] [2021-11-17 01:54:29,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307235877] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 01:54:29,639 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:54:29,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-17 01:54:29,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561438610] [2021-11-17 01:54:29,639 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 01:54:29,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:54:29,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 01:54:29,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:54:29,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:54:29,641 INFO L87 Difference]: Start difference. First operand 2653 states and 3772 transitions. Second operand has 8 states, 8 states have (on average 25.125) internal successors, (201), 6 states have internal predecessors, (201), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (46), 4 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 01:54:29,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:54:29,742 INFO L93 Difference]: Finished difference Result 2790 states and 3954 transitions. [2021-11-17 01:54:29,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:54:29,744 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.125) internal successors, (201), 6 states have internal predecessors, (201), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (46), 4 states have call predecessors, (46), 2 states have call successors, (46) Word has length 232 [2021-11-17 01:54:29,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:54:29,746 INFO L225 Difference]: With dead ends: 2790 [2021-11-17 01:54:29,746 INFO L226 Difference]: Without dead ends: 0 [2021-11-17 01:54:29,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:54:29,755 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 57 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 01:54:29,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 935 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 01:54:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-17 01:54:29,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-17 01:54:29,757 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) [2021-11-17 01:54:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-17 01:54:29,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2021-11-17 01:54:29,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:54:29,758 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-17 01:54:29,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.125) internal successors, (201), 6 states have internal predecessors, (201), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (46), 4 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 01:54:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-17 01:54:29,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-17 01:54:29,761 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-17 01:54:29,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-17 01:54:29,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 01:54:29,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-17 01:54:32,397 INFO L858 garLoopResultBuilder]: For program point L4670(line 4670) no Hoare annotation was computed. [2021-11-17 01:54:32,397 INFO L858 garLoopResultBuilder]: For program point L4668(lines 4668 4689) no Hoare annotation was computed. [2021-11-17 01:54:32,397 INFO L858 garLoopResultBuilder]: For program point is_good_configEXIT(lines 4659 4702) no Hoare annotation was computed. [2021-11-17 01:54:32,397 INFO L858 garLoopResultBuilder]: For program point L4695(lines 4695 4698) no Hoare annotation was computed. [2021-11-17 01:54:32,398 INFO L858 garLoopResultBuilder]: For program point L4691(lines 4691 4694) no Hoare annotation was computed. [2021-11-17 01:54:32,398 INFO L858 garLoopResultBuilder]: For program point L4687(line 4687) no Hoare annotation was computed. [2021-11-17 01:54:32,398 INFO L858 garLoopResultBuilder]: For program point L4681(lines 4681 4685) no Hoare annotation was computed. [2021-11-17 01:54:32,398 INFO L858 garLoopResultBuilder]: For program point L4671(lines 4671 4675) no Hoare annotation was computed. [2021-11-17 01:54:32,398 INFO L861 garLoopResultBuilder]: At program point is_good_configENTRY(lines 4659 4702) the Hoare annotation is: true [2021-11-17 01:54:32,398 INFO L858 garLoopResultBuilder]: For program point L4669-2(line 4669) no Hoare annotation was computed. [2021-11-17 01:54:32,398 INFO L858 garLoopResultBuilder]: For program point L4669(line 4669) no Hoare annotation was computed. [2021-11-17 01:54:32,399 INFO L858 garLoopResultBuilder]: For program point L4663(lines 4663 4666) no Hoare annotation was computed. [2021-11-17 01:54:32,399 INFO L861 garLoopResultBuilder]: At program point L4690(lines 4662 4701) the Hoare annotation is: true [2021-11-17 01:54:32,399 INFO L858 garLoopResultBuilder]: For program point is_good_configFINAL(lines 4659 4702) no Hoare annotation was computed. [2021-11-17 01:54:32,399 INFO L858 garLoopResultBuilder]: For program point L4676-2(lines 4676 4680) no Hoare annotation was computed. [2021-11-17 01:54:32,399 INFO L858 garLoopResultBuilder]: For program point L4676(line 4676) no Hoare annotation was computed. [2021-11-17 01:54:32,399 INFO L858 garLoopResultBuilder]: For program point L3905-1(line 3905) no Hoare annotation was computed. [2021-11-17 01:54:32,399 INFO L861 garLoopResultBuilder]: At program point L3905(line 3905) the Hoare annotation is: true [2021-11-17 01:54:32,399 INFO L861 garLoopResultBuilder]: At program point L3901(lines 3898 3903) the Hoare annotation is: true [2021-11-17 01:54:32,400 INFO L858 garLoopResultBuilder]: For program point L3898(lines 3898 3904) no Hoare annotation was computed. [2021-11-17 01:54:32,400 INFO L858 garLoopResultBuilder]: For program point sg_pageFINAL(lines 3892 3915) no Hoare annotation was computed. [2021-11-17 01:54:32,400 INFO L858 garLoopResultBuilder]: For program point L3897-1(line 3897) no Hoare annotation was computed. [2021-11-17 01:54:32,400 INFO L861 garLoopResultBuilder]: At program point L3897(line 3897) the Hoare annotation is: true [2021-11-17 01:54:32,400 INFO L861 garLoopResultBuilder]: At program point sg_pageENTRY(lines 3892 3915) the Hoare annotation is: true [2021-11-17 01:54:32,400 INFO L858 garLoopResultBuilder]: For program point sg_pageEXIT(lines 3892 3915) no Hoare annotation was computed. [2021-11-17 01:54:32,400 INFO L861 garLoopResultBuilder]: At program point L3909(lines 3906 3911) the Hoare annotation is: true [2021-11-17 01:54:32,400 INFO L858 garLoopResultBuilder]: For program point L3906(lines 3906 3912) no Hoare annotation was computed. [2021-11-17 01:54:32,401 INFO L858 garLoopResultBuilder]: For program point __raw_spin_lock_initEXIT(lines 7267 7269) no Hoare annotation was computed. [2021-11-17 01:54:32,401 INFO L861 garLoopResultBuilder]: At program point __raw_spin_lock_initENTRY(lines 7267 7269) the Hoare annotation is: true [2021-11-17 01:54:32,401 INFO L858 garLoopResultBuilder]: For program point __raw_spin_lock_initFINAL(lines 7267 7269) no Hoare annotation was computed. [2021-11-17 01:54:32,401 INFO L861 garLoopResultBuilder]: At program point L3712(line 3712) the Hoare annotation is: true [2021-11-17 01:54:32,401 INFO L858 garLoopResultBuilder]: For program point L3712-1(line 3712) no Hoare annotation was computed. [2021-11-17 01:54:32,401 INFO L861 garLoopResultBuilder]: At program point __kmallocENTRY(lines 3710 3713) the Hoare annotation is: true [2021-11-17 01:54:32,401 INFO L858 garLoopResultBuilder]: For program point __kmallocFINAL(lines 3710 3713) no Hoare annotation was computed. [2021-11-17 01:54:32,401 INFO L858 garLoopResultBuilder]: For program point __kmallocEXIT(lines 3710 3713) no Hoare annotation was computed. [2021-11-17 01:54:32,402 INFO L858 garLoopResultBuilder]: For program point usb_get_intfdataEXIT(lines 3989 3996) no Hoare annotation was computed. [2021-11-17 01:54:32,402 INFO L861 garLoopResultBuilder]: At program point usb_get_intfdataENTRY(lines 3989 3996) the Hoare annotation is: true [2021-11-17 01:54:32,402 INFO L858 garLoopResultBuilder]: For program point usb_get_intfdataFINAL(lines 3989 3996) no Hoare annotation was computed. [2021-11-17 01:54:32,402 INFO L861 garLoopResultBuilder]: At program point L3976(lines 3973 3978) the Hoare annotation is: true [2021-11-17 01:54:32,402 INFO L858 garLoopResultBuilder]: For program point usb_submit_urbFINAL(lines 7394 7396) no Hoare annotation was computed. [2021-11-17 01:54:32,402 INFO L858 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 7394 7396) no Hoare annotation was computed. [2021-11-17 01:54:32,402 INFO L861 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 7394 7396) the Hoare annotation is: true [2021-11-17 01:54:32,403 INFO L861 garLoopResultBuilder]: At program point wait_for_completionENTRY(lines 7401 7403) the Hoare annotation is: true [2021-11-17 01:54:32,403 INFO L858 garLoopResultBuilder]: For program point wait_for_completionEXIT(lines 7401 7403) no Hoare annotation was computed. [2021-11-17 01:54:32,403 INFO L858 garLoopResultBuilder]: For program point wait_for_completionFINAL(lines 7401 7403) no Hoare annotation was computed. [2021-11-17 01:54:32,403 INFO L858 garLoopResultBuilder]: For program point L4480(lines 4480 4483) no Hoare annotation was computed. [2021-11-17 01:54:32,403 INFO L858 garLoopResultBuilder]: For program point free_sglistEXIT(lines 4474 4504) no Hoare annotation was computed. [2021-11-17 01:54:32,403 INFO L861 garLoopResultBuilder]: At program point L4501(line 4501) the Hoare annotation is: true [2021-11-17 01:54:32,403 INFO L861 garLoopResultBuilder]: At program point L4493(line 4493) the Hoare annotation is: true [2021-11-17 01:54:32,403 INFO L861 garLoopResultBuilder]: At program point L4493-1(lines 4479 4503) the Hoare annotation is: true [2021-11-17 01:54:32,404 INFO L858 garLoopResultBuilder]: For program point L4487(line 4487) no Hoare annotation was computed. [2021-11-17 01:54:32,404 INFO L861 garLoopResultBuilder]: At program point L3843(lines 3840 3845) the Hoare annotation is: true [2021-11-17 01:54:32,404 INFO L861 garLoopResultBuilder]: At program point free_sglistENTRY(lines 4474 4504) the Hoare annotation is: true [2021-11-17 01:54:32,404 INFO L858 garLoopResultBuilder]: For program point free_sglistFINAL(lines 4474 4504) no Hoare annotation was computed. [2021-11-17 01:54:32,404 INFO L861 garLoopResultBuilder]: At program point L4498(lines 4479 4503) the Hoare annotation is: true [2021-11-17 01:54:32,404 INFO L861 garLoopResultBuilder]: At program point L4496(lines 4479 4503) the Hoare annotation is: true [2021-11-17 01:54:32,404 INFO L861 garLoopResultBuilder]: At program point L3949(lines 3942 3951) the Hoare annotation is: true [2021-11-17 01:54:32,405 INFO L858 garLoopResultBuilder]: For program point L3947-1(line 3947) no Hoare annotation was computed. [2021-11-17 01:54:32,405 INFO L861 garLoopResultBuilder]: At program point L3947(line 3947) the Hoare annotation is: true [2021-11-17 01:54:32,405 INFO L858 garLoopResultBuilder]: For program point L4488(lines 4488 4491) no Hoare annotation was computed. [2021-11-17 01:54:32,405 INFO L858 garLoopResultBuilder]: For program point usb_unlink_urbEXIT(lines 7398 7400) no Hoare annotation was computed. [2021-11-17 01:54:32,405 INFO L861 garLoopResultBuilder]: At program point usb_unlink_urbENTRY(lines 7398 7400) the Hoare annotation is: true [2021-11-17 01:54:32,405 INFO L858 garLoopResultBuilder]: For program point usb_unlink_urbFINAL(lines 7398 7400) no Hoare annotation was computed. [2021-11-17 01:54:32,405 INFO L858 garLoopResultBuilder]: For program point L3728(lines 3728 3731) no Hoare annotation was computed. [2021-11-17 01:54:32,405 INFO L861 garLoopResultBuilder]: At program point kmalloc_arrayENTRY(lines 3724 3735) the Hoare annotation is: true [2021-11-17 01:54:32,406 INFO L858 garLoopResultBuilder]: For program point kmalloc_arrayEXIT(lines 3724 3735) no Hoare annotation was computed. [2021-11-17 01:54:32,406 INFO L858 garLoopResultBuilder]: For program point kmalloc_arrayFINAL(lines 3724 3735) no Hoare annotation was computed. [2021-11-17 01:54:32,406 INFO L861 garLoopResultBuilder]: At program point L3732(line 3732) the Hoare annotation is: true [2021-11-17 01:54:32,406 INFO L858 garLoopResultBuilder]: For program point L3732-1(line 3732) no Hoare annotation was computed. [2021-11-17 01:54:32,406 INFO L861 garLoopResultBuilder]: At program point L6014(line 6014) the Hoare annotation is: true [2021-11-17 01:54:32,406 INFO L861 garLoopResultBuilder]: At program point L7162(lines 7156 7164) the Hoare annotation is: true [2021-11-17 01:54:32,406 INFO L858 garLoopResultBuilder]: For program point L6014-1(line 6014) no Hoare annotation was computed. [2021-11-17 01:54:32,407 INFO L861 garLoopResultBuilder]: At program point L6039(line 6039) the Hoare annotation is: true [2021-11-17 01:54:32,407 INFO L861 garLoopResultBuilder]: At program point L6006(line 6006) the Hoare annotation is: true [2021-11-17 01:54:32,407 INFO L858 garLoopResultBuilder]: For program point L6039-1(line 6039) no Hoare annotation was computed. [2021-11-17 01:54:32,407 INFO L858 garLoopResultBuilder]: For program point L6072-2(lines 6072 6075) no Hoare annotation was computed. [2021-11-17 01:54:32,407 INFO L858 garLoopResultBuilder]: For program point L6072(lines 6072 6075) no Hoare annotation was computed. [2021-11-17 01:54:32,407 INFO L858 garLoopResultBuilder]: For program point L5940-1(line 5940) no Hoare annotation was computed. [2021-11-17 01:54:32,407 INFO L858 garLoopResultBuilder]: For program point L5973-2(line 5973) no Hoare annotation was computed. [2021-11-17 01:54:32,407 INFO L858 garLoopResultBuilder]: For program point L6006-1(line 6006) no Hoare annotation was computed. [2021-11-17 01:54:32,408 INFO L858 garLoopResultBuilder]: For program point L5973(line 5973) no Hoare annotation was computed. [2021-11-17 01:54:32,408 INFO L861 garLoopResultBuilder]: At program point L5940(line 5940) the Hoare annotation is: true [2021-11-17 01:54:32,408 INFO L858 garLoopResultBuilder]: For program point L6031(lines 6031 6034) no Hoare annotation was computed. [2021-11-17 01:54:32,408 INFO L861 garLoopResultBuilder]: At program point L6097(line 6097) the Hoare annotation is: true [2021-11-17 01:54:32,408 INFO L858 garLoopResultBuilder]: For program point L6097-1(line 6097) no Hoare annotation was computed. [2021-11-17 01:54:32,408 INFO L861 garLoopResultBuilder]: At program point L5957(line 5957) the Hoare annotation is: true [2021-11-17 01:54:32,408 INFO L858 garLoopResultBuilder]: For program point L5957-1(line 5957) no Hoare annotation was computed. [2021-11-17 01:54:32,408 INFO L858 garLoopResultBuilder]: For program point test_iso_queueEXIT(lines 5988 6108) no Hoare annotation was computed. [2021-11-17 01:54:32,409 INFO L858 garLoopResultBuilder]: For program point L6048(lines 6048 6052) no Hoare annotation was computed. [2021-11-17 01:54:32,409 INFO L861 garLoopResultBuilder]: At program point L6073(line 6073) the Hoare annotation is: true [2021-11-17 01:54:32,409 INFO L858 garLoopResultBuilder]: For program point L6073-1(line 6073) no Hoare annotation was computed. [2021-11-17 01:54:32,409 INFO L861 garLoopResultBuilder]: At program point L6032(lines 5999 6107) the Hoare annotation is: true [2021-11-17 01:54:32,409 INFO L858 garLoopResultBuilder]: For program point L6082(lines 6082 6090) no Hoare annotation was computed. [2021-11-17 01:54:32,409 INFO L858 garLoopResultBuilder]: For program point L6016-2(line 6016) no Hoare annotation was computed. [2021-11-17 01:54:32,409 INFO L861 garLoopResultBuilder]: At program point L6049(line 6049) the Hoare annotation is: true [2021-11-17 01:54:32,409 INFO L858 garLoopResultBuilder]: For program point L6016(line 6016) no Hoare annotation was computed. [2021-11-17 01:54:32,410 INFO L861 garLoopResultBuilder]: At program point L6049-1(lines 5999 6107) the Hoare annotation is: true [2021-11-17 01:54:32,410 INFO L861 garLoopResultBuilder]: At program point L5942(line 5942) the Hoare annotation is: true [2021-11-17 01:54:32,410 INFO L861 garLoopResultBuilder]: At program point L6066(lines 5999 6107) the Hoare annotation is: true [2021-11-17 01:54:32,410 INFO L858 garLoopResultBuilder]: For program point L5942-1(line 5942) no Hoare annotation was computed. [2021-11-17 01:54:32,410 INFO L858 garLoopResultBuilder]: For program point L5967(line 5967) no Hoare annotation was computed. [2021-11-17 01:54:32,410 INFO L861 garLoopResultBuilder]: At program point L5967-2(line 5967) the Hoare annotation is: true [2021-11-17 01:54:32,410 INFO L858 garLoopResultBuilder]: For program point L5967-3(line 5967) no Hoare annotation was computed. [2021-11-17 01:54:32,410 INFO L861 garLoopResultBuilder]: At program point L6009(line 6009) the Hoare annotation is: true [2021-11-17 01:54:32,411 INFO L861 garLoopResultBuilder]: At program point L6009-1(line 6009) the Hoare annotation is: true [2021-11-17 01:54:32,411 INFO L858 garLoopResultBuilder]: For program point test_iso_queueFINAL(lines 5988 6108) no Hoare annotation was computed. [2021-11-17 01:54:32,411 INFO L861 garLoopResultBuilder]: At program point L6067(line 6067) the Hoare annotation is: true [2021-11-17 01:54:32,411 INFO L858 garLoopResultBuilder]: For program point L6084(lines 6084 6090) no Hoare annotation was computed. [2021-11-17 01:54:32,411 INFO L861 garLoopResultBuilder]: At program point L5985(lines 5924 5987) the Hoare annotation is: true [2021-11-17 01:54:32,411 INFO L858 garLoopResultBuilder]: For program point L6010(line 6010) no Hoare annotation was computed. [2021-11-17 01:54:32,411 INFO L861 garLoopResultBuilder]: At program point L5977(lines 5935 5986) the Hoare annotation is: true [2021-11-17 01:54:32,412 INFO L858 garLoopResultBuilder]: For program point L6002(lines 6002 6005) no Hoare annotation was computed. [2021-11-17 01:54:32,412 INFO L861 garLoopResultBuilder]: At program point L6101(lines 5999 6107) the Hoare annotation is: true [2021-11-17 01:54:32,412 INFO L858 garLoopResultBuilder]: For program point L6068(line 6068) no Hoare annotation was computed. [2021-11-17 01:54:32,412 INFO L861 garLoopResultBuilder]: At program point test_iso_queueENTRY(lines 5988 6108) the Hoare annotation is: true [2021-11-17 01:54:32,412 INFO L858 garLoopResultBuilder]: For program point L5936(lines 5936 5939) no Hoare annotation was computed. [2021-11-17 01:54:32,412 INFO L861 garLoopResultBuilder]: At program point L7142(line 7142) the Hoare annotation is: true [2021-11-17 01:54:32,412 INFO L858 garLoopResultBuilder]: For program point L5961-2(lines 5961 5966) no Hoare annotation was computed. [2021-11-17 01:54:32,412 INFO L858 garLoopResultBuilder]: For program point L5961(lines 5961 5966) no Hoare annotation was computed. [2021-11-17 01:54:32,413 INFO L861 garLoopResultBuilder]: At program point L7142-1(line 7142) the Hoare annotation is: true [2021-11-17 01:54:32,413 INFO L861 garLoopResultBuilder]: At program point L6011(line 6011) the Hoare annotation is: true [2021-11-17 01:54:32,413 INFO L861 garLoopResultBuilder]: At program point L6011-1(line 6011) the Hoare annotation is: true [2021-11-17 01:54:32,413 INFO L861 garLoopResultBuilder]: At program point L6077(lines 5999 6107) the Hoare annotation is: true [2021-11-17 01:54:32,413 INFO L858 garLoopResultBuilder]: For program point L6102(lines 6102 6105) no Hoare annotation was computed. [2021-11-17 01:54:32,414 INFO L861 garLoopResultBuilder]: At program point L7151-1(line 7151) the Hoare annotation is: true [2021-11-17 01:54:32,414 INFO L861 garLoopResultBuilder]: At program point L7151(line 7151) the Hoare annotation is: true [2021-11-17 01:54:32,414 INFO L861 garLoopResultBuilder]: At program point L5962(line 5962) the Hoare annotation is: true [2021-11-17 01:54:32,414 INFO L861 garLoopResultBuilder]: At program point L6061(lines 5999 6107) the Hoare annotation is: true [2021-11-17 01:54:32,414 INFO L858 garLoopResultBuilder]: For program point L7143(line 7143) no Hoare annotation was computed. [2021-11-17 01:54:32,415 INFO L858 garLoopResultBuilder]: For program point L5962-1(line 5962) no Hoare annotation was computed. [2021-11-17 01:54:32,415 INFO L861 garLoopResultBuilder]: At program point L6053(line 6053) the Hoare annotation is: true [2021-11-17 01:54:32,415 INFO L858 garLoopResultBuilder]: For program point L6053-1(line 6053) no Hoare annotation was computed. [2021-11-17 01:54:32,415 INFO L858 garLoopResultBuilder]: For program point L6078(lines 6078 6081) no Hoare annotation was computed. [2021-11-17 01:54:32,415 INFO L861 garLoopResultBuilder]: At program point L5979(lines 5935 5986) the Hoare annotation is: true [2021-11-17 01:54:32,416 INFO L858 garLoopResultBuilder]: For program point L5946(lines 5946 5949) no Hoare annotation was computed. [2021-11-17 01:54:32,416 INFO L858 garLoopResultBuilder]: For program point L6045(lines 6045 6059) no Hoare annotation was computed. [2021-11-17 01:54:32,416 INFO L858 garLoopResultBuilder]: For program point L6012(line 6012) no Hoare annotation was computed. [2021-11-17 01:54:32,417 INFO L861 garLoopResultBuilder]: At program point L6103(lines 5999 6107) the Hoare annotation is: true [2021-11-17 01:54:32,417 INFO L861 garLoopResultBuilder]: At program point L7160-1(line 7160) the Hoare annotation is: true [2021-11-17 01:54:32,417 INFO L861 garLoopResultBuilder]: At program point L7160(line 7160) the Hoare annotation is: true [2021-11-17 01:54:32,417 INFO L858 garLoopResultBuilder]: For program point L6037-2(line 6037) no Hoare annotation was computed. [2021-11-17 01:54:32,417 INFO L858 garLoopResultBuilder]: For program point L6037(line 6037) no Hoare annotation was computed. [2021-11-17 01:54:32,417 INFO L858 garLoopResultBuilder]: For program point L6062(lines 6062 6065) no Hoare annotation was computed. [2021-11-17 01:54:32,418 INFO L858 garLoopResultBuilder]: For program point L7152(line 7152) no Hoare annotation was computed. [2021-11-17 01:54:32,418 INFO L858 garLoopResultBuilder]: For program point L6087(lines 6087 6090) no Hoare annotation was computed. [2021-11-17 01:54:32,418 INFO L861 garLoopResultBuilder]: At program point L7144(lines 7138 7146) the Hoare annotation is: true [2021-11-17 01:54:32,418 INFO L858 garLoopResultBuilder]: For program point L6087-2(lines 6082 6090) no Hoare annotation was computed. [2021-11-17 01:54:32,418 INFO L861 garLoopResultBuilder]: At program point L6079(lines 5999 6107) the Hoare annotation is: true [2021-11-17 01:54:32,418 INFO L861 garLoopResultBuilder]: At program point L6013(line 6013) the Hoare annotation is: true [2021-11-17 01:54:32,418 INFO L858 garLoopResultBuilder]: For program point L6013-1(line 6013) no Hoare annotation was computed. [2021-11-17 01:54:32,419 INFO L858 garLoopResultBuilder]: For program point L7161(line 7161) no Hoare annotation was computed. [2021-11-17 01:54:32,419 INFO L861 garLoopResultBuilder]: At program point L6063(lines 5999 6107) the Hoare annotation is: true [2021-11-17 01:54:32,419 INFO L861 garLoopResultBuilder]: At program point L6030(lines 5999 6107) the Hoare annotation is: true [2021-11-17 01:54:32,419 INFO L858 garLoopResultBuilder]: For program point L6096-2(lines 6096 6099) no Hoare annotation was computed. [2021-11-17 01:54:32,419 INFO L861 garLoopResultBuilder]: At program point L7153(lines 7147 7155) the Hoare annotation is: true [2021-11-17 01:54:32,419 INFO L858 garLoopResultBuilder]: For program point L6096(lines 6096 6099) no Hoare annotation was computed. [2021-11-17 01:54:32,419 INFO L858 garLoopResultBuilder]: For program point L6022(lines 6022 6026) no Hoare annotation was computed. [2021-11-17 01:54:32,419 INFO L858 garLoopResultBuilder]: For program point L5956(lines 5956 5960) no Hoare annotation was computed. [2021-11-17 01:54:32,419 INFO L858 garLoopResultBuilder]: For program point L4346(lines 4346 4349) no Hoare annotation was computed. [2021-11-17 01:54:32,419 INFO L858 garLoopResultBuilder]: For program point L4344-1(line 4344) no Hoare annotation was computed. [2021-11-17 01:54:32,419 INFO L861 garLoopResultBuilder]: At program point L4375(lines 4341 4381) the Hoare annotation is: true [2021-11-17 01:54:32,419 INFO L861 garLoopResultBuilder]: At program point L4377(lines 4341 4381) the Hoare annotation is: true [2021-11-17 01:54:32,419 INFO L861 garLoopResultBuilder]: At program point L4344(line 4344) the Hoare annotation is: true [2021-11-17 01:54:32,419 INFO L861 garLoopResultBuilder]: At program point simple_check_bufENTRY(lines 4333 4382) the Hoare annotation is: true [2021-11-17 01:54:32,419 INFO L858 garLoopResultBuilder]: For program point L4365(lines 4365 4368) no Hoare annotation was computed. [2021-11-17 01:54:32,419 INFO L858 garLoopResultBuilder]: For program point simple_check_bufEXIT(lines 4333 4382) no Hoare annotation was computed. [2021-11-17 01:54:32,419 INFO L858 garLoopResultBuilder]: For program point L4357(line 4357) no Hoare annotation was computed. [2021-11-17 01:54:32,419 INFO L858 garLoopResultBuilder]: For program point L4353(lines 4353 4363) no Hoare annotation was computed. [2021-11-17 01:54:32,420 INFO L858 garLoopResultBuilder]: For program point simple_check_bufFINAL(lines 4333 4382) no Hoare annotation was computed. [2021-11-17 01:54:32,420 INFO L861 garLoopResultBuilder]: At program point L4366(lines 4341 4381) the Hoare annotation is: true [2021-11-17 01:54:32,420 INFO L861 garLoopResultBuilder]: At program point L4364(lines 4341 4381) the Hoare annotation is: true [2021-11-17 01:54:32,420 INFO L858 garLoopResultBuilder]: For program point L4360(line 4360) no Hoare annotation was computed. [2021-11-17 01:54:32,420 INFO L858 garLoopResultBuilder]: For program point L4354(line 4354) no Hoare annotation was computed. [2021-11-17 01:54:32,420 INFO L858 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 3813 3819) no Hoare annotation was computed. [2021-11-17 01:54:32,420 INFO L861 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 3813 3819) the Hoare annotation is: true [2021-11-17 01:54:32,420 INFO L861 garLoopResultBuilder]: At program point usb_free_coherentENTRY(lines 7358 7360) the Hoare annotation is: true [2021-11-17 01:54:32,420 INFO L858 garLoopResultBuilder]: For program point usb_free_coherentFINAL(lines 7358 7360) no Hoare annotation was computed. [2021-11-17 01:54:32,420 INFO L858 garLoopResultBuilder]: For program point usb_free_coherentEXIT(lines 7358 7360) no Hoare annotation was computed. [2021-11-17 01:54:32,420 INFO L858 garLoopResultBuilder]: For program point L6993-1(line 6993) no Hoare annotation was computed. [2021-11-17 01:54:32,420 INFO L861 garLoopResultBuilder]: At program point L6993(line 6993) the Hoare annotation is: true [2021-11-17 01:54:32,420 INFO L858 garLoopResultBuilder]: For program point spin_lock_irqFINAL(lines 6990 6997) no Hoare annotation was computed. [2021-11-17 01:54:32,421 INFO L861 garLoopResultBuilder]: At program point spin_lock_irqENTRY(lines 6990 6997) the Hoare annotation is: true [2021-11-17 01:54:32,421 INFO L858 garLoopResultBuilder]: For program point spin_lock_irqEXIT(lines 6990 6997) no Hoare annotation was computed. [2021-11-17 01:54:32,421 INFO L861 garLoopResultBuilder]: At program point L7282(lines 7281 7283) the Hoare annotation is: true [2021-11-17 01:54:32,421 INFO L861 garLoopResultBuilder]: At program point L3668(lines 3664 3670) the Hoare annotation is: true [2021-11-17 01:54:32,421 INFO L861 garLoopResultBuilder]: At program point L4078(line 4078) the Hoare annotation is: true [2021-11-17 01:54:32,421 INFO L858 garLoopResultBuilder]: For program point testdev_to_usbdevEXIT(lines 4074 4081) no Hoare annotation was computed. [2021-11-17 01:54:32,422 INFO L858 garLoopResultBuilder]: For program point L4078-1(line 4078) no Hoare annotation was computed. [2021-11-17 01:54:32,422 INFO L858 garLoopResultBuilder]: For program point testdev_to_usbdevFINAL(lines 4074 4081) no Hoare annotation was computed. [2021-11-17 01:54:32,422 INFO L861 garLoopResultBuilder]: At program point testdev_to_usbdevENTRY(lines 4074 4081) the Hoare annotation is: true [2021-11-17 01:54:32,422 INFO L861 garLoopResultBuilder]: At program point L7342(line 7342) the Hoare annotation is: true [2021-11-17 01:54:32,422 INFO L858 garLoopResultBuilder]: For program point usb_alloc_coherentFINAL(lines 7341 7343) no Hoare annotation was computed. [2021-11-17 01:54:32,422 INFO L858 garLoopResultBuilder]: For program point L7342-1(line 7342) no Hoare annotation was computed. [2021-11-17 01:54:32,422 INFO L861 garLoopResultBuilder]: At program point usb_alloc_coherentENTRY(lines 7341 7343) the Hoare annotation is: true [2021-11-17 01:54:32,422 INFO L858 garLoopResultBuilder]: For program point usb_alloc_coherentEXIT(lines 7341 7343) no Hoare annotation was computed. [2021-11-17 01:54:32,422 INFO L858 garLoopResultBuilder]: For program point usb_set_interfaceFINAL(lines 7380 7382) no Hoare annotation was computed. [2021-11-17 01:54:32,422 INFO L858 garLoopResultBuilder]: For program point usb_set_interfaceEXIT(lines 7380 7382) no Hoare annotation was computed. [2021-11-17 01:54:32,423 INFO L861 garLoopResultBuilder]: At program point usb_set_interfaceENTRY(lines 7380 7382) the Hoare annotation is: true [2021-11-17 01:54:32,423 INFO L861 garLoopResultBuilder]: At program point L4608(lines 4583 4615) the Hoare annotation is: true [2021-11-17 01:54:32,423 INFO L861 garLoopResultBuilder]: At program point L4602(lines 4583 4615) the Hoare annotation is: true [2021-11-17 01:54:32,423 INFO L858 garLoopResultBuilder]: For program point perform_sglistFINAL(lines 4576 4616) no Hoare annotation was computed. [2021-11-17 01:54:32,423 INFO L861 garLoopResultBuilder]: At program point L7385(lines 7384 7386) the Hoare annotation is: true [2021-11-17 01:54:32,423 INFO L858 garLoopResultBuilder]: For program point L4584-1(line 4584) no Hoare annotation was computed. [2021-11-17 01:54:32,423 INFO L861 garLoopResultBuilder]: At program point L4584(line 4584) the Hoare annotation is: true [2021-11-17 01:54:32,423 INFO L858 garLoopResultBuilder]: For program point L4609-1(lines 4609 4613) no Hoare annotation was computed. [2021-11-17 01:54:32,423 INFO L861 garLoopResultBuilder]: At program point L7388(lines 7387 7389) the Hoare annotation is: true [2021-11-17 01:54:32,423 INFO L858 garLoopResultBuilder]: For program point L4601(lines 4601 4605) no Hoare annotation was computed. [2021-11-17 01:54:32,423 INFO L858 garLoopResultBuilder]: For program point perform_sglistEXIT(lines 4576 4616) no Hoare annotation was computed. [2021-11-17 01:54:32,423 INFO L861 garLoopResultBuilder]: At program point L4597(lines 4583 4615) the Hoare annotation is: true [2021-11-17 01:54:32,423 INFO L858 garLoopResultBuilder]: For program point L4591(lines 4591 4594) no Hoare annotation was computed. [2021-11-17 01:54:32,423 INFO L858 garLoopResultBuilder]: For program point L4589-2(line 4589) no Hoare annotation was computed. [2021-11-17 01:54:32,423 INFO L858 garLoopResultBuilder]: For program point L4589(line 4589) no Hoare annotation was computed. [2021-11-17 01:54:32,423 INFO L861 garLoopResultBuilder]: At program point perform_sglistENTRY(lines 4576 4616) the Hoare annotation is: true [2021-11-17 01:54:32,424 INFO L861 garLoopResultBuilder]: At program point L5459(line 5459) the Hoare annotation is: true [2021-11-17 01:54:32,424 INFO L858 garLoopResultBuilder]: For program point L5458(lines 5458 5461) no Hoare annotation was computed. [2021-11-17 01:54:32,424 INFO L858 garLoopResultBuilder]: For program point L5459-1(line 5459) no Hoare annotation was computed. [2021-11-17 01:54:32,424 INFO L858 garLoopResultBuilder]: For program point unlink_simpleEXIT(lines 5452 5464) no Hoare annotation was computed. [2021-11-17 01:54:32,424 INFO L861 garLoopResultBuilder]: At program point L5457(line 5457) the Hoare annotation is: true [2021-11-17 01:54:32,424 INFO L858 garLoopResultBuilder]: For program point L5457-1(line 5457) no Hoare annotation was computed. [2021-11-17 01:54:32,424 INFO L858 garLoopResultBuilder]: For program point L5458-2(lines 5458 5461) no Hoare annotation was computed. [2021-11-17 01:54:32,424 INFO L861 garLoopResultBuilder]: At program point unlink_simpleENTRY(lines 5452 5464) the Hoare annotation is: true [2021-11-17 01:54:32,424 INFO L858 garLoopResultBuilder]: For program point unlink_simpleFINAL(lines 5452 5464) no Hoare annotation was computed. [2021-11-17 01:54:32,424 INFO L858 garLoopResultBuilder]: For program point usb_control_msgEXIT(lines 7352 7354) no Hoare annotation was computed. [2021-11-17 01:54:32,424 INFO L861 garLoopResultBuilder]: At program point usb_control_msgENTRY(lines 7352 7354) the Hoare annotation is: true [2021-11-17 01:54:32,424 INFO L858 garLoopResultBuilder]: For program point usb_control_msgFINAL(lines 7352 7354) no Hoare annotation was computed. [2021-11-17 01:54:32,424 INFO L861 garLoopResultBuilder]: At program point test_unaligned_bulkENTRY(lines 6109 6128) the Hoare annotation is: true [2021-11-17 01:54:32,424 INFO L858 garLoopResultBuilder]: For program point L6124-1(line 6124) no Hoare annotation was computed. [2021-11-17 01:54:32,424 INFO L861 garLoopResultBuilder]: At program point L6125(line 6125) the Hoare annotation is: true [2021-11-17 01:54:32,425 INFO L861 garLoopResultBuilder]: At program point L6124(line 6124) the Hoare annotation is: true [2021-11-17 01:54:32,425 INFO L858 garLoopResultBuilder]: For program point L6125-1(line 6125) no Hoare annotation was computed. [2021-11-17 01:54:32,425 INFO L858 garLoopResultBuilder]: For program point test_unaligned_bulkEXIT(lines 6109 6128) no Hoare annotation was computed. [2021-11-17 01:54:32,425 INFO L861 garLoopResultBuilder]: At program point L6118(line 6118) the Hoare annotation is: true [2021-11-17 01:54:32,425 INFO L858 garLoopResultBuilder]: For program point L6120(lines 6120 6123) no Hoare annotation was computed. [2021-11-17 01:54:32,425 INFO L858 garLoopResultBuilder]: For program point test_unaligned_bulkFINAL(lines 6109 6128) no Hoare annotation was computed. [2021-11-17 01:54:32,425 INFO L861 garLoopResultBuilder]: At program point L6117(line 6117) the Hoare annotation is: true [2021-11-17 01:54:32,425 INFO L858 garLoopResultBuilder]: For program point L6118-1(line 6118) no Hoare annotation was computed. [2021-11-17 01:54:32,426 INFO L858 garLoopResultBuilder]: For program point L6117-1(line 6117) no Hoare annotation was computed. [2021-11-17 01:54:32,426 INFO L861 garLoopResultBuilder]: At program point atomic_dec_and_testENTRY(lines 3636 3644) the Hoare annotation is: true [2021-11-17 01:54:32,426 INFO L858 garLoopResultBuilder]: For program point atomic_dec_and_testFINAL(lines 3636 3644) no Hoare annotation was computed. [2021-11-17 01:54:32,426 INFO L858 garLoopResultBuilder]: For program point atomic_dec_and_testEXIT(lines 3636 3644) no Hoare annotation was computed. [2021-11-17 01:54:32,426 INFO L861 garLoopResultBuilder]: At program point ldv_spin_unlockENTRY(lines 7229 7235) the Hoare annotation is: true [2021-11-17 01:54:32,426 INFO L858 garLoopResultBuilder]: For program point ldv_spin_unlockFINAL(lines 7229 7235) no Hoare annotation was computed. [2021-11-17 01:54:32,426 INFO L858 garLoopResultBuilder]: For program point ldv_spin_unlockEXIT(lines 7229 7235) no Hoare annotation was computed. [2021-11-17 01:54:32,426 INFO L858 garLoopResultBuilder]: For program point ldv_spin_lockEXIT(lines 7222 7228) no Hoare annotation was computed. [2021-11-17 01:54:32,427 INFO L861 garLoopResultBuilder]: At program point ldv_spin_lockENTRY(lines 7222 7228) the Hoare annotation is: true [2021-11-17 01:54:32,427 INFO L858 garLoopResultBuilder]: For program point ldv_spin_lockFINAL(lines 7222 7228) no Hoare annotation was computed. [2021-11-17 01:54:32,427 INFO L861 garLoopResultBuilder]: At program point L3933(lines 3930 3935) the Hoare annotation is: true [2021-11-17 01:54:32,427 INFO L858 garLoopResultBuilder]: For program point L4561(lines 4561 4564) no Hoare annotation was computed. [2021-11-17 01:54:32,427 INFO L858 garLoopResultBuilder]: For program point alloc_sglistFINAL(lines 4505 4575) no Hoare annotation was computed. [2021-11-17 01:54:32,427 INFO L861 garLoopResultBuilder]: At program point L4570(lines 4515 4574) the Hoare annotation is: true [2021-11-17 01:54:32,427 INFO L858 garLoopResultBuilder]: For program point L4562(line 4562) no Hoare annotation was computed. [2021-11-17 01:54:32,428 INFO L858 garLoopResultBuilder]: For program point L4562-2(line 4562) no Hoare annotation was computed. [2021-11-17 01:54:32,428 INFO L861 garLoopResultBuilder]: At program point L4521(line 4521) the Hoare annotation is: true [2021-11-17 01:54:32,428 INFO L858 garLoopResultBuilder]: For program point L4521-1(line 4521) no Hoare annotation was computed. [2021-11-17 01:54:32,428 INFO L858 garLoopResultBuilder]: For program point alloc_sglistEXIT(lines 4505 4575) no Hoare annotation was computed. [2021-11-17 01:54:32,428 INFO L861 garLoopResultBuilder]: At program point L7272(lines 7271 7273) the Hoare annotation is: true [2021-11-17 01:54:32,428 INFO L861 garLoopResultBuilder]: At program point alloc_sglistENTRY(lines 4505 4575) the Hoare annotation is: true [2021-11-17 01:54:32,428 INFO L861 garLoopResultBuilder]: At program point L3870(line 3870) the Hoare annotation is: true [2021-11-17 01:54:32,429 INFO L858 garLoopResultBuilder]: For program point L4539(lines 4539 4556) no Hoare annotation was computed. [2021-11-17 01:54:32,429 INFO L858 garLoopResultBuilder]: For program point L3870-1(line 3870) no Hoare annotation was computed. [2021-11-17 01:54:32,429 INFO L861 garLoopResultBuilder]: At program point L3862(line 3862) the Hoare annotation is: true [2021-11-17 01:54:32,429 INFO L858 garLoopResultBuilder]: For program point L4531(line 4531) no Hoare annotation was computed. [2021-11-17 01:54:32,429 INFO L858 garLoopResultBuilder]: For program point L3862-1(line 3862) no Hoare annotation was computed. [2021-11-17 01:54:32,429 INFO L861 garLoopResultBuilder]: At program point L3854(line 3854) the Hoare annotation is: true [2021-11-17 01:54:32,429 INFO L858 garLoopResultBuilder]: For program point L4523(lines 4523 4526) no Hoare annotation was computed. [2021-11-17 01:54:32,430 INFO L861 garLoopResultBuilder]: At program point L7339(lines 7338 7340) the Hoare annotation is: true [2021-11-17 01:54:32,430 INFO L858 garLoopResultBuilder]: For program point L3854-1(line 3854) no Hoare annotation was computed. [2021-11-17 01:54:32,430 INFO L861 garLoopResultBuilder]: At program point L3879(lines 3846 3881) the Hoare annotation is: true [2021-11-17 01:54:32,430 INFO L861 garLoopResultBuilder]: At program point L7265(lines 7264 7266) the Hoare annotation is: true [2021-11-17 01:54:32,430 INFO L858 garLoopResultBuilder]: For program point L3871(lines 3871 3877) no Hoare annotation was computed. [2021-11-17 01:54:32,430 INFO L858 garLoopResultBuilder]: For program point L4540(line 4540) no Hoare annotation was computed. [2021-11-17 01:54:32,430 INFO L858 garLoopResultBuilder]: For program point L3929(line 3929) no Hoare annotation was computed. [2021-11-17 01:54:32,430 INFO L858 garLoopResultBuilder]: For program point L3863(lines 3863 3869) no Hoare annotation was computed. [2021-11-17 01:54:32,431 INFO L858 garLoopResultBuilder]: For program point L3855(lines 3855 3861) no Hoare annotation was computed. [2021-11-17 01:54:32,431 INFO L861 garLoopResultBuilder]: At program point L4557(lines 4515 4574) the Hoare annotation is: true [2021-11-17 01:54:32,431 INFO L858 garLoopResultBuilder]: For program point L3930(lines 3930 3936) no Hoare annotation was computed. [2021-11-17 01:54:32,431 INFO L858 garLoopResultBuilder]: For program point L4533(lines 4533 4537) no Hoare annotation was computed. [2021-11-17 01:54:32,431 INFO L861 garLoopResultBuilder]: At program point L3889(lines 3882 3891) the Hoare annotation is: true [2021-11-17 01:54:32,431 INFO L858 garLoopResultBuilder]: For program point L4558(lines 4558 4566) no Hoare annotation was computed. [2021-11-17 01:54:32,431 INFO L861 garLoopResultBuilder]: At program point L4550(lines 4539 4556) the Hoare annotation is: true [2021-11-17 01:54:32,431 INFO L858 garLoopResultBuilder]: For program point L4517(lines 4517 4520) no Hoare annotation was computed. [2021-11-17 01:54:32,432 INFO L861 garLoopResultBuilder]: At program point L3939(lines 3916 3941) the Hoare annotation is: true [2021-11-17 01:54:32,432 INFO L858 garLoopResultBuilder]: For program point L4542(line 4542) no Hoare annotation was computed. [2021-11-17 01:54:32,432 INFO L861 garLoopResultBuilder]: At program point L4534(line 4534) the Hoare annotation is: true [2021-11-17 01:54:32,432 INFO L858 garLoopResultBuilder]: For program point L4534-1(line 4534) no Hoare annotation was computed. [2021-11-17 01:54:32,432 INFO L861 garLoopResultBuilder]: At program point L3874(lines 3871 3876) the Hoare annotation is: true [2021-11-17 01:54:32,432 INFO L861 garLoopResultBuilder]: At program point L3866(lines 3863 3868) the Hoare annotation is: true [2021-11-17 01:54:32,432 INFO L861 garLoopResultBuilder]: At program point L4568(lines 4515 4574) the Hoare annotation is: true [2021-11-17 01:54:32,432 INFO L858 garLoopResultBuilder]: For program point L3924(lines 3924 3928) no Hoare annotation was computed. [2021-11-17 01:54:32,433 INFO L861 garLoopResultBuilder]: At program point L3924-2(lines 3924 3928) the Hoare annotation is: true [2021-11-17 01:54:32,433 INFO L861 garLoopResultBuilder]: At program point L3858(lines 3855 3860) the Hoare annotation is: true [2021-11-17 01:54:32,433 INFO L861 garLoopResultBuilder]: At program point L4552(lines 4539 4556) the Hoare annotation is: true [2021-11-17 01:54:32,433 INFO L858 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 7361 7363) no Hoare annotation was computed. [2021-11-17 01:54:32,433 INFO L861 garLoopResultBuilder]: At program point usb_free_urbENTRY(lines 7361 7363) the Hoare annotation is: true [2021-11-17 01:54:32,433 INFO L858 garLoopResultBuilder]: For program point usb_free_urbFINAL(lines 7361 7363) no Hoare annotation was computed. [2021-11-17 01:54:32,433 INFO L861 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 4067 4072) the Hoare annotation is: true [2021-11-17 01:54:32,434 INFO L858 garLoopResultBuilder]: For program point __create_pipeFINAL(lines 4067 4072) no Hoare annotation was computed. [2021-11-17 01:54:32,434 INFO L858 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 4067 4072) no Hoare annotation was computed. [2021-11-17 01:54:32,434 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 3756 3772) the Hoare annotation is: true [2021-11-17 01:54:32,434 INFO L861 garLoopResultBuilder]: At program point L3768(line 3768) the Hoare annotation is: true [2021-11-17 01:54:32,434 INFO L858 garLoopResultBuilder]: For program point L3768-1(line 3768) no Hoare annotation was computed. [2021-11-17 01:54:32,434 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 3756 3772) no Hoare annotation was computed. [2021-11-17 01:54:32,434 INFO L858 garLoopResultBuilder]: For program point L3763(lines 3763 3770) no Hoare annotation was computed. [2021-11-17 01:54:32,434 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 3756 3772) no Hoare annotation was computed. [2021-11-17 01:54:32,435 INFO L858 garLoopResultBuilder]: For program point usb_endpoint_maxpEXIT(lines 3965 3970) no Hoare annotation was computed. [2021-11-17 01:54:32,435 INFO L861 garLoopResultBuilder]: At program point usb_endpoint_maxpENTRY(lines 3965 3970) the Hoare annotation is: true [2021-11-17 01:54:32,435 INFO L858 garLoopResultBuilder]: For program point usb_endpoint_maxpFINAL(lines 3965 3970) no Hoare annotation was computed. [2021-11-17 01:54:32,435 INFO L861 garLoopResultBuilder]: At program point simple_ioENTRY(lines 4400 4473) the Hoare annotation is: true [2021-11-17 01:54:32,435 INFO L861 garLoopResultBuilder]: At program point L7063(lines 7057 7065) the Hoare annotation is: true [2021-11-17 01:54:32,435 INFO L858 garLoopResultBuilder]: For program point simple_ioFINAL(lines 4400 4473) no Hoare annotation was computed. [2021-11-17 01:54:32,435 INFO L858 garLoopResultBuilder]: For program point L4466(lines 4466 4470) no Hoare annotation was computed. [2021-11-17 01:54:32,436 INFO L861 garLoopResultBuilder]: At program point L7406(lines 7405 7407) the Hoare annotation is: true [2021-11-17 01:54:32,436 INFO L858 garLoopResultBuilder]: For program point L4433-2(line 4433) no Hoare annotation was computed. [2021-11-17 01:54:32,436 INFO L858 garLoopResultBuilder]: For program point L4433(line 4433) no Hoare annotation was computed. [2021-11-17 01:54:32,436 INFO L858 garLoopResultBuilder]: For program point L4466-2(lines 4466 4470) no Hoare annotation was computed. [2021-11-17 01:54:32,436 INFO L861 garLoopResultBuilder]: At program point L4458(lines 4411 4472) the Hoare annotation is: true [2021-11-17 01:54:32,436 INFO L858 garLoopResultBuilder]: For program point L4425(lines 4425 4428) no Hoare annotation was computed. [2021-11-17 01:54:32,436 INFO L858 garLoopResultBuilder]: For program point L4446(lines 4446 4449) no Hoare annotation was computed. [2021-11-17 01:54:32,436 INFO L858 garLoopResultBuilder]: For program point L4446-2(lines 4446 4449) no Hoare annotation was computed. [2021-11-17 01:54:32,436 INFO L858 garLoopResultBuilder]: For program point L4438(line 4438) no Hoare annotation was computed. [2021-11-17 01:54:32,437 INFO L858 garLoopResultBuilder]: For program point L4438-4(lines 4411 4472) no Hoare annotation was computed. [2021-11-17 01:54:32,437 INFO L858 garLoopResultBuilder]: For program point L4438-2(lines 4438 4441) no Hoare annotation was computed. [2021-11-17 01:54:32,437 INFO L858 garLoopResultBuilder]: For program point L4418(line 4418) no Hoare annotation was computed. [2021-11-17 01:54:32,437 INFO L858 garLoopResultBuilder]: For program point simple_ioEXIT(lines 4400 4473) no Hoare annotation was computed. [2021-11-17 01:54:32,437 INFO L858 garLoopResultBuilder]: For program point L4447(line 4447) no Hoare annotation was computed. [2021-11-17 01:54:32,437 INFO L858 garLoopResultBuilder]: For program point L4447-2(line 4447) no Hoare annotation was computed. [2021-11-17 01:54:32,437 INFO L861 garLoopResultBuilder]: At program point L4439(line 4439) the Hoare annotation is: true [2021-11-17 01:54:32,437 INFO L858 garLoopResultBuilder]: For program point L4439-1(line 4439) no Hoare annotation was computed. [2021-11-17 01:54:32,438 INFO L861 garLoopResultBuilder]: At program point L7061-1(line 7061) the Hoare annotation is: true [2021-11-17 01:54:32,438 INFO L861 garLoopResultBuilder]: At program point L7061(line 7061) the Hoare annotation is: true [2021-11-17 01:54:32,438 INFO L858 garLoopResultBuilder]: For program point L4431(lines 4431 4436) no Hoare annotation was computed. [2021-11-17 01:54:32,438 INFO L861 garLoopResultBuilder]: At program point L4464(lines 4411 4472) the Hoare annotation is: true [2021-11-17 01:54:32,438 INFO L858 garLoopResultBuilder]: For program point L4431-2(lines 4431 4436) no Hoare annotation was computed. [2021-11-17 01:54:32,438 INFO L858 garLoopResultBuilder]: For program point L4419(lines 4419 4423) no Hoare annotation was computed. [2021-11-17 01:54:32,438 INFO L861 garLoopResultBuilder]: At program point L7326(lines 7325 7327) the Hoare annotation is: true [2021-11-17 01:54:32,439 INFO L858 garLoopResultBuilder]: For program point L4419-2(lines 4419 4423) no Hoare annotation was computed. [2021-11-17 01:54:32,439 INFO L858 garLoopResultBuilder]: For program point L7062(line 7062) no Hoare annotation was computed. [2021-11-17 01:54:32,439 INFO L858 garLoopResultBuilder]: For program point L4432-1(line 4432) no Hoare annotation was computed. [2021-11-17 01:54:32,439 INFO L861 garLoopResultBuilder]: At program point L4432(line 4432) the Hoare annotation is: true [2021-11-17 01:54:32,439 INFO L858 garLoopResultBuilder]: For program point L4457(lines 4457 4461) no Hoare annotation was computed. [2021-11-17 01:54:32,439 INFO L858 garLoopResultBuilder]: For program point L4420-1(line 4420) no Hoare annotation was computed. [2021-11-17 01:54:32,439 INFO L861 garLoopResultBuilder]: At program point L4453(lines 4411 4472) the Hoare annotation is: true [2021-11-17 01:54:32,439 INFO L861 garLoopResultBuilder]: At program point L4420(line 4420) the Hoare annotation is: true [2021-11-17 01:54:32,440 INFO L858 garLoopResultBuilder]: For program point usb_kill_urbEXIT(lines 7372 7374) no Hoare annotation was computed. [2021-11-17 01:54:32,440 INFO L861 garLoopResultBuilder]: At program point usb_kill_urbENTRY(lines 7372 7374) the Hoare annotation is: true [2021-11-17 01:54:32,440 INFO L858 garLoopResultBuilder]: For program point usb_kill_urbFINAL(lines 7372 7374) no Hoare annotation was computed. [2021-11-17 01:54:32,440 INFO L858 garLoopResultBuilder]: For program point ldv_check_alloc_flagsEXIT(lines 7189 7198) no Hoare annotation was computed. [2021-11-17 01:54:32,440 INFO L854 garLoopResultBuilder]: At program point L7194(line 7194) the Hoare annotation is: (or (not (= ~ldv_spin~0 (_ bv0 32))) (not (= (_ bv1 32) ~ldv_state_variable_1~0))) [2021-11-17 01:54:32,440 INFO L861 garLoopResultBuilder]: At program point ldv_check_alloc_flagsENTRY(lines 7189 7198) the Hoare annotation is: true [2021-11-17 01:54:32,440 INFO L858 garLoopResultBuilder]: For program point L7192(lines 7192 7195) no Hoare annotation was computed. [2021-11-17 01:54:32,441 INFO L858 garLoopResultBuilder]: For program point L7194-1(lines 7189 7198) no Hoare annotation was computed. [2021-11-17 01:54:32,441 INFO L858 garLoopResultBuilder]: For program point simple_alloc_urbEXIT(lines 4255 4262) no Hoare annotation was computed. [2021-11-17 01:54:32,441 INFO L861 garLoopResultBuilder]: At program point L4259(line 4259) the Hoare annotation is: true [2021-11-17 01:54:32,441 INFO L858 garLoopResultBuilder]: For program point L4259-1(line 4259) no Hoare annotation was computed. [2021-11-17 01:54:32,441 INFO L861 garLoopResultBuilder]: At program point simple_alloc_urbENTRY(lines 4255 4262) the Hoare annotation is: true [2021-11-17 01:54:32,441 INFO L858 garLoopResultBuilder]: For program point simple_alloc_urbFINAL(lines 4255 4262) no Hoare annotation was computed. [2021-11-17 01:54:32,441 INFO L858 garLoopResultBuilder]: For program point kfreeEXIT(lines 7409 7411) no Hoare annotation was computed. [2021-11-17 01:54:32,441 INFO L861 garLoopResultBuilder]: At program point kfreeENTRY(lines 7409 7411) the Hoare annotation is: true [2021-11-17 01:54:32,442 INFO L858 garLoopResultBuilder]: For program point kfreeFINAL(lines 7409 7411) no Hoare annotation was computed. [2021-11-17 01:54:32,442 INFO L858 garLoopResultBuilder]: For program point simple_free_urbFINAL(lines 4383 4399) no Hoare annotation was computed. [2021-11-17 01:54:32,442 INFO L861 garLoopResultBuilder]: At program point L4394(line 4394) the Hoare annotation is: true [2021-11-17 01:54:32,442 INFO L861 garLoopResultBuilder]: At program point L4391(lines 4391 4392) the Hoare annotation is: true [2021-11-17 01:54:32,442 INFO L858 garLoopResultBuilder]: For program point L4390(lines 4390 4395) no Hoare annotation was computed. [2021-11-17 01:54:32,442 INFO L858 garLoopResultBuilder]: For program point L4391-1(lines 4391 4392) no Hoare annotation was computed. [2021-11-17 01:54:32,442 INFO L858 garLoopResultBuilder]: For program point L4394-1(line 4394) no Hoare annotation was computed. [2021-11-17 01:54:32,442 INFO L861 garLoopResultBuilder]: At program point simple_free_urbENTRY(lines 4383 4399) the Hoare annotation is: true [2021-11-17 01:54:32,443 INFO L858 garLoopResultBuilder]: For program point L4388-1(line 4388) no Hoare annotation was computed. [2021-11-17 01:54:32,443 INFO L861 garLoopResultBuilder]: At program point L4388(line 4388) the Hoare annotation is: true [2021-11-17 01:54:32,443 INFO L861 garLoopResultBuilder]: At program point L4390-2(lines 4390 4395) the Hoare annotation is: true [2021-11-17 01:54:32,443 INFO L858 garLoopResultBuilder]: For program point simple_free_urbEXIT(lines 4383 4399) no Hoare annotation was computed. [2021-11-17 01:54:32,443 INFO L861 garLoopResultBuilder]: At program point L4654(lines 4654 4655) the Hoare annotation is: true [2021-11-17 01:54:32,443 INFO L858 garLoopResultBuilder]: For program point set_altsettingFINAL(lines 4642 4658) no Hoare annotation was computed. [2021-11-17 01:54:32,443 INFO L861 garLoopResultBuilder]: At program point L4653(line 4653) the Hoare annotation is: true [2021-11-17 01:54:32,444 INFO L858 garLoopResultBuilder]: For program point L4654-1(lines 4654 4655) no Hoare annotation was computed. [2021-11-17 01:54:32,444 INFO L858 garLoopResultBuilder]: For program point L4653-1(line 4653) no Hoare annotation was computed. [2021-11-17 01:54:32,444 INFO L861 garLoopResultBuilder]: At program point set_altsettingENTRY(lines 4642 4658) the Hoare annotation is: true [2021-11-17 01:54:32,444 INFO L858 garLoopResultBuilder]: For program point L4649(lines 4649 4652) no Hoare annotation was computed. [2021-11-17 01:54:32,444 INFO L858 garLoopResultBuilder]: For program point set_altsettingEXIT(lines 4642 4658) no Hoare annotation was computed. [2021-11-17 01:54:32,444 INFO L861 garLoopResultBuilder]: At program point L7258(lines 7257 7259) the Hoare annotation is: true [2021-11-17 01:54:32,444 INFO L861 garLoopResultBuilder]: At program point init_completionENTRY(lines 3693 3701) the Hoare annotation is: true [2021-11-17 01:54:32,444 INFO L858 garLoopResultBuilder]: For program point init_completionFINAL(lines 3693 3701) no Hoare annotation was computed. [2021-11-17 01:54:32,444 INFO L858 garLoopResultBuilder]: For program point init_completionEXIT(lines 3693 3701) no Hoare annotation was computed. [2021-11-17 01:54:32,444 INFO L858 garLoopResultBuilder]: For program point L4274(lines 4274 4293) no Hoare annotation was computed. [2021-11-17 01:54:32,444 INFO L858 garLoopResultBuilder]: For program point L4276(line 4276) no Hoare annotation was computed. [2021-11-17 01:54:32,444 INFO L861 garLoopResultBuilder]: At program point L4287(lines 4274 4293) the Hoare annotation is: true [2021-11-17 01:54:32,445 INFO L861 garLoopResultBuilder]: At program point L4289(lines 4274 4293) the Hoare annotation is: true [2021-11-17 01:54:32,445 INFO L858 garLoopResultBuilder]: For program point L4279(line 4279) no Hoare annotation was computed. [2021-11-17 01:54:32,445 INFO L858 garLoopResultBuilder]: For program point L4275(line 4275) no Hoare annotation was computed. [2021-11-17 01:54:32,445 INFO L861 garLoopResultBuilder]: At program point L4277(line 4277) the Hoare annotation is: true [2021-11-17 01:54:32,445 INFO L858 garLoopResultBuilder]: For program point L4277-1(line 4277) no Hoare annotation was computed. [2021-11-17 01:54:32,445 INFO L858 garLoopResultBuilder]: For program point L4275-2(line 4275) no Hoare annotation was computed. [2021-11-17 01:54:32,445 INFO L858 garLoopResultBuilder]: For program point simple_fill_bufEXIT(lines 4265 4297) no Hoare annotation was computed. [2021-11-17 01:54:32,445 INFO L861 garLoopResultBuilder]: At program point simple_fill_bufENTRY(lines 4265 4297) the Hoare annotation is: true [2021-11-17 01:54:32,445 INFO L861 garLoopResultBuilder]: At program point L4294(lines 4265 4297) the Hoare annotation is: true [2021-11-17 01:54:32,445 INFO L861 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 7335 7337) the Hoare annotation is: true [2021-11-17 01:54:32,445 INFO L858 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 7335 7337) no Hoare annotation was computed. [2021-11-17 01:54:32,445 INFO L858 garLoopResultBuilder]: For program point mutex_unlockFINAL(lines 7335 7337) no Hoare annotation was computed. [2021-11-17 01:54:32,445 INFO L861 garLoopResultBuilder]: At program point usb_fill_bulk_urbENTRY(lines 4017 4031) the Hoare annotation is: true [2021-11-17 01:54:32,445 INFO L858 garLoopResultBuilder]: For program point usb_fill_bulk_urbFINAL(lines 4017 4031) no Hoare annotation was computed. [2021-11-17 01:54:32,445 INFO L858 garLoopResultBuilder]: For program point usb_fill_bulk_urbEXIT(lines 4017 4031) no Hoare annotation was computed. [2021-11-17 01:54:32,445 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 3806 3812) no Hoare annotation was computed. [2021-11-17 01:54:32,445 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 3806 3812) the Hoare annotation is: true [2021-11-17 01:54:32,446 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3810) no Hoare annotation was computed. [2021-11-17 01:54:32,446 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 3806 3812) no Hoare annotation was computed. [2021-11-17 01:54:32,446 INFO L861 garLoopResultBuilder]: At program point do_gettimeofdayENTRY(lines 7305 7307) the Hoare annotation is: true [2021-11-17 01:54:32,446 INFO L858 garLoopResultBuilder]: For program point do_gettimeofdayEXIT(lines 7305 7307) no Hoare annotation was computed. [2021-11-17 01:54:32,446 INFO L858 garLoopResultBuilder]: For program point do_gettimeofdayFINAL(lines 7305 7307) no Hoare annotation was computed. [2021-11-17 01:54:32,446 INFO L858 garLoopResultBuilder]: For program point L7035-1(line 7035) no Hoare annotation was computed. [2021-11-17 01:54:32,446 INFO L861 garLoopResultBuilder]: At program point L7035(line 7035) the Hoare annotation is: true [2021-11-17 01:54:32,446 INFO L858 garLoopResultBuilder]: For program point kzallocEXIT(lines 7032 7038) no Hoare annotation was computed. [2021-11-17 01:54:32,446 INFO L861 garLoopResultBuilder]: At program point kzallocENTRY(lines 7032 7038) the Hoare annotation is: true [2021-11-17 01:54:32,446 INFO L858 garLoopResultBuilder]: For program point kzallocFINAL(lines 7032 7038) no Hoare annotation was computed. [2021-11-17 01:54:32,446 INFO L861 garLoopResultBuilder]: At program point verify_not_haltedENTRY(lines 5609 5634) the Hoare annotation is: true [2021-11-17 01:54:32,447 INFO L861 garLoopResultBuilder]: At program point L5627(line 5627) the Hoare annotation is: true [2021-11-17 01:54:32,447 INFO L858 garLoopResultBuilder]: For program point L5627-1(line 5627) no Hoare annotation was computed. [2021-11-17 01:54:32,447 INFO L858 garLoopResultBuilder]: For program point L5628(lines 5628 5631) no Hoare annotation was computed. [2021-11-17 01:54:32,447 INFO L858 garLoopResultBuilder]: For program point L5621(lines 5621 5626) no Hoare annotation was computed. [2021-11-17 01:54:32,447 INFO L858 garLoopResultBuilder]: For program point L5615(lines 5615 5620) no Hoare annotation was computed. [2021-11-17 01:54:32,447 INFO L861 garLoopResultBuilder]: At program point L5614(line 5614) the Hoare annotation is: true [2021-11-17 01:54:32,447 INFO L858 garLoopResultBuilder]: For program point verify_not_haltedFINAL(lines 5609 5634) no Hoare annotation was computed. [2021-11-17 01:54:32,447 INFO L858 garLoopResultBuilder]: For program point L5614-1(line 5614) no Hoare annotation was computed. [2021-11-17 01:54:32,447 INFO L858 garLoopResultBuilder]: For program point verify_not_haltedEXIT(lines 5609 5634) no Hoare annotation was computed. [2021-11-17 01:54:32,447 INFO L861 garLoopResultBuilder]: At program point kmallocENTRY(lines 7014 7021) the Hoare annotation is: true [2021-11-17 01:54:32,447 INFO L861 garLoopResultBuilder]: At program point L3720(lines 3715 3722) the Hoare annotation is: true [2021-11-17 01:54:32,447 INFO L858 garLoopResultBuilder]: For program point kmallocFINAL(lines 7014 7021) no Hoare annotation was computed. [2021-11-17 01:54:32,447 INFO L858 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2021-11-17 01:54:32,447 INFO L858 garLoopResultBuilder]: For program point L3719-1(line 3719) no Hoare annotation was computed. [2021-11-17 01:54:32,447 INFO L861 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: true [2021-11-17 01:54:32,447 INFO L861 garLoopResultBuilder]: At program point L3719(line 3719) the Hoare annotation is: true [2021-11-17 01:54:32,448 INFO L858 garLoopResultBuilder]: For program point kmallocEXIT(lines 7014 7021) no Hoare annotation was computed. [2021-11-17 01:54:32,448 INFO L858 garLoopResultBuilder]: For program point usb_endpoint_dir_inEXIT(lines 3959 3964) no Hoare annotation was computed. [2021-11-17 01:54:32,448 INFO L861 garLoopResultBuilder]: At program point usb_endpoint_dir_inENTRY(lines 3959 3964) the Hoare annotation is: true [2021-11-17 01:54:32,448 INFO L858 garLoopResultBuilder]: For program point usb_endpoint_dir_inFINAL(lines 3959 3964) no Hoare annotation was computed. [2021-11-17 01:54:32,448 INFO L858 garLoopResultBuilder]: For program point L5585(line 5585) no Hoare annotation was computed. [2021-11-17 01:54:32,448 INFO L858 garLoopResultBuilder]: For program point L5255(lines 5255 5262) no Hoare annotation was computed. [2021-11-17 01:54:32,448 INFO L861 garLoopResultBuilder]: At program point L6246(line 6246) the Hoare annotation is: true [2021-11-17 01:54:32,448 INFO L858 garLoopResultBuilder]: For program point L6246-1(line 6246) no Hoare annotation was computed. [2021-11-17 01:54:32,448 INFO L861 garLoopResultBuilder]: At program point L4991(lines 4974 4994) the Hoare annotation is: true [2021-11-17 01:54:32,448 INFO L858 garLoopResultBuilder]: For program point L4925(line 4925) no Hoare annotation was computed. [2021-11-17 01:54:32,448 INFO L858 garLoopResultBuilder]: For program point L5586(lines 5586 5589) no Hoare annotation was computed. [2021-11-17 01:54:32,448 INFO L861 garLoopResultBuilder]: At program point L5586-1(lines 5586 5589) the Hoare annotation is: true [2021-11-17 01:54:32,448 INFO L858 garLoopResultBuilder]: For program point L6247(lines 6247 6251) no Hoare annotation was computed. [2021-11-17 01:54:32,448 INFO L858 garLoopResultBuilder]: For program point L5256(line 5256) no Hoare annotation was computed. [2021-11-17 01:54:32,448 INFO L861 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: true [2021-11-17 01:54:32,448 INFO L861 garLoopResultBuilder]: At program point L7106-1(line 7106) the Hoare annotation is: true [2021-11-17 01:54:32,448 INFO L858 garLoopResultBuilder]: For program point L4728(lines 4728 4732) no Hoare annotation was computed. [2021-11-17 01:54:32,448 INFO L861 garLoopResultBuilder]: At program point L5587(line 5587) the Hoare annotation is: true [2021-11-17 01:54:32,449 INFO L861 garLoopResultBuilder]: At program point L5521(line 5521) the Hoare annotation is: true [2021-11-17 01:54:32,449 INFO L858 garLoopResultBuilder]: For program point L5521-1(line 5521) no Hoare annotation was computed. [2021-11-17 01:54:32,449 INFO L858 garLoopResultBuilder]: For program point L7107(line 7107) no Hoare annotation was computed. [2021-11-17 01:54:32,449 INFO L858 garLoopResultBuilder]: For program point L4795(line 4795) no Hoare annotation was computed. [2021-11-17 01:54:32,449 INFO L861 garLoopResultBuilder]: At program point L4861(line 4861) the Hoare annotation is: true [2021-11-17 01:54:32,449 INFO L858 garLoopResultBuilder]: For program point L4861-1(line 4861) no Hoare annotation was computed. [2021-11-17 01:54:32,449 INFO L858 garLoopResultBuilder]: For program point L4795-4(lines 4795 4799) no Hoare annotation was computed. [2021-11-17 01:54:32,449 INFO L858 garLoopResultBuilder]: For program point L4795-2(lines 4795 4799) no Hoare annotation was computed. [2021-11-17 01:54:32,449 INFO L861 garLoopResultBuilder]: At program point L5522(line 5522) the Hoare annotation is: true [2021-11-17 01:54:32,449 INFO L858 garLoopResultBuilder]: For program point L5522-1(line 5522) no Hoare annotation was computed. [2021-11-17 01:54:32,449 INFO L861 garLoopResultBuilder]: At program point L5324(lines 5137 5355) the Hoare annotation is: true [2021-11-17 01:54:32,449 INFO L858 garLoopResultBuilder]: For program point L6381(line 6381) no Hoare annotation was computed. [2021-11-17 01:54:32,449 INFO L861 garLoopResultBuilder]: At program point L7108(lines 7102 7110) the Hoare annotation is: true [2021-11-17 01:54:32,449 INFO L858 garLoopResultBuilder]: For program point L4862(lines 4862 4867) no Hoare annotation was computed. [2021-11-17 01:54:32,449 INFO L861 garLoopResultBuilder]: At program point L4928(lines 4844 4937) the Hoare annotation is: true [2021-11-17 01:54:32,449 INFO L861 garLoopResultBuilder]: At program point L5721(line 5721) the Hoare annotation is: true [2021-11-17 01:54:32,449 INFO L858 garLoopResultBuilder]: For program point L5721-1(line 5721) no Hoare annotation was computed. [2021-11-17 01:54:32,449 INFO L858 garLoopResultBuilder]: For program point L6382(line 6382) no Hoare annotation was computed. [2021-11-17 01:54:32,450 INFO L858 garLoopResultBuilder]: For program point L6448-1(line 6448) no Hoare annotation was computed. [2021-11-17 01:54:32,450 INFO L861 garLoopResultBuilder]: At program point L6448(line 6448) the Hoare annotation is: true [2021-11-17 01:54:32,450 INFO L858 garLoopResultBuilder]: For program point L5259(line 5259) no Hoare annotation was computed. [2021-11-17 01:54:32,450 INFO L858 garLoopResultBuilder]: For program point L6316-1(line 6316) no Hoare annotation was computed. [2021-11-17 01:54:32,450 INFO L861 garLoopResultBuilder]: At program point L6316(line 6316) the Hoare annotation is: true [2021-11-17 01:54:32,450 INFO L858 garLoopResultBuilder]: For program point L5325(lines 5325 5328) no Hoare annotation was computed. [2021-11-17 01:54:32,450 INFO L858 garLoopResultBuilder]: For program point L6382-2(lines 6382 6385) no Hoare annotation was computed. [2021-11-17 01:54:32,450 INFO L858 garLoopResultBuilder]: For program point L5193(line 5193) no Hoare annotation was computed. [2021-11-17 01:54:32,450 INFO L858 garLoopResultBuilder]: For program point L5590(line 5590) no Hoare annotation was computed. [2021-11-17 01:54:32,450 INFO L858 garLoopResultBuilder]: For program point L6515-1(line 6515) no Hoare annotation was computed. [2021-11-17 01:54:32,450 INFO L861 garLoopResultBuilder]: At program point L6515(line 6515) the Hoare annotation is: true [2021-11-17 01:54:32,450 INFO L858 garLoopResultBuilder]: For program point L5524(lines 5524 5527) no Hoare annotation was computed. [2021-11-17 01:54:32,450 INFO L861 garLoopResultBuilder]: At program point L5326(lines 5137 5355) the Hoare annotation is: true [2021-11-17 01:54:32,450 INFO L858 garLoopResultBuilder]: For program point L6317-1(line 6317) no Hoare annotation was computed. [2021-11-17 01:54:32,450 INFO L861 garLoopResultBuilder]: At program point L6317(line 6317) the Hoare annotation is: true [2021-11-17 01:54:32,451 INFO L858 garLoopResultBuilder]: For program point L6185(line 6185) no Hoare annotation was computed. [2021-11-17 01:54:32,451 INFO L858 garLoopResultBuilder]: For program point L5723(lines 5723 5727) no Hoare annotation was computed. [2021-11-17 01:54:32,451 INFO L858 garLoopResultBuilder]: For program point L5723-2(lines 5719 5751) no Hoare annotation was computed. [2021-11-17 01:54:32,451 INFO L858 garLoopResultBuilder]: For program point L6450(line 6450) no Hoare annotation was computed. [2021-11-17 01:54:32,451 INFO L858 garLoopResultBuilder]: For program point L6252-1(line 6252) no Hoare annotation was computed. [2021-11-17 01:54:32,451 INFO L858 garLoopResultBuilder]: For program point L6186(lines 6186 6561) no Hoare annotation was computed. [2021-11-17 01:54:32,451 INFO L861 garLoopResultBuilder]: At program point L6252(line 6252) the Hoare annotation is: true [2021-11-17 01:54:32,451 INFO L861 garLoopResultBuilder]: At program point L4931(lines 4844 4937) the Hoare annotation is: true [2021-11-17 01:54:32,452 INFO L858 garLoopResultBuilder]: For program point L4865-2(line 4865) no Hoare annotation was computed. [2021-11-17 01:54:32,452 INFO L858 garLoopResultBuilder]: For program point L4865(line 4865) no Hoare annotation was computed. [2021-11-17 01:54:32,452 INFO L858 garLoopResultBuilder]: For program point L5724-1(line 5724) no Hoare annotation was computed. [2021-11-17 01:54:32,452 INFO L858 garLoopResultBuilder]: For program point L4733(lines 4733 4737) no Hoare annotation was computed. [2021-11-17 01:54:32,452 INFO L861 garLoopResultBuilder]: At program point L5724(line 5724) the Hoare annotation is: true [2021-11-17 01:54:32,452 INFO L861 garLoopResultBuilder]: At program point L5592(lines 5508 5607) the Hoare annotation is: true [2021-11-17 01:54:32,452 INFO L858 garLoopResultBuilder]: For program point L6451(line 6451) no Hoare annotation was computed. [2021-11-17 01:54:32,452 INFO L858 garLoopResultBuilder]: For program point L6517(line 6517) no Hoare annotation was computed. [2021-11-17 01:54:32,453 INFO L858 garLoopResultBuilder]: For program point L6319(line 6319) no Hoare annotation was computed. [2021-11-17 01:54:32,453 INFO L858 garLoopResultBuilder]: For program point L6451-2(lines 6451 6454) no Hoare annotation was computed. [2021-11-17 01:54:32,453 INFO L858 garLoopResultBuilder]: For program point L6187(line 6187) no Hoare annotation was computed. [2021-11-17 01:54:32,453 INFO L861 garLoopResultBuilder]: At program point L6253(line 6253) the Hoare annotation is: true [2021-11-17 01:54:32,453 INFO L858 garLoopResultBuilder]: For program point L5196(lines 5196 5199) no Hoare annotation was computed. [2021-11-17 01:54:32,453 INFO L861 garLoopResultBuilder]: At program point L4998(line 4998) the Hoare annotation is: true [2021-11-17 01:54:32,453 INFO L858 garLoopResultBuilder]: For program point L4998-1(line 4998) no Hoare annotation was computed. [2021-11-17 01:54:32,453 INFO L858 garLoopResultBuilder]: For program point L4800-2(lines 4800 4803) no Hoare annotation was computed. [2021-11-17 01:54:32,454 INFO L858 garLoopResultBuilder]: For program point L4800(line 4800) no Hoare annotation was computed. [2021-11-17 01:54:32,454 INFO L858 garLoopResultBuilder]: For program point L6518(line 6518) no Hoare annotation was computed. [2021-11-17 01:54:32,454 INFO L858 garLoopResultBuilder]: For program point L6518-2(lines 6518 6521) no Hoare annotation was computed. [2021-11-17 01:54:32,454 INFO L861 garLoopResultBuilder]: At program point L5263(lines 5168 5282) the Hoare annotation is: true [2021-11-17 01:54:32,454 INFO L861 garLoopResultBuilder]: At program point L5329(lines 5137 5355) the Hoare annotation is: true [2021-11-17 01:54:32,454 INFO L858 garLoopResultBuilder]: For program point L4999(lines 4999 5003) no Hoare annotation was computed. [2021-11-17 01:54:32,454 INFO L861 garLoopResultBuilder]: At program point L4933(lines 4844 4937) the Hoare annotation is: true [2021-11-17 01:54:32,454 INFO L861 garLoopResultBuilder]: At program point L5726(line 5726) the Hoare annotation is: true [2021-11-17 01:54:32,455 INFO L858 garLoopResultBuilder]: For program point L5726-1(line 5726) no Hoare annotation was computed. [2021-11-17 01:54:32,455 INFO L858 garLoopResultBuilder]: For program point L5330(line 5330) no Hoare annotation was computed. [2021-11-17 01:54:32,455 INFO L858 garLoopResultBuilder]: For program point L6255(line 6255) no Hoare annotation was computed. [2021-11-17 01:54:32,455 INFO L858 garLoopResultBuilder]: For program point usbtest_ioctlEXIT(lines 6129 6574) no Hoare annotation was computed. [2021-11-17 01:54:32,455 INFO L858 garLoopResultBuilder]: For program point L5331(lines 5331 5334) no Hoare annotation was computed. [2021-11-17 01:54:32,455 INFO L858 garLoopResultBuilder]: For program point L6256-2(lines 6256 6259) no Hoare annotation was computed. [2021-11-17 01:54:32,455 INFO L858 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-11-17 01:54:32,456 INFO L861 garLoopResultBuilder]: At program point L7115-1(line 7115) the Hoare annotation is: true [2021-11-17 01:54:32,456 INFO L861 garLoopResultBuilder]: At program point L7115(line 7115) the Hoare annotation is: true [2021-11-17 01:54:32,456 INFO L858 garLoopResultBuilder]: For program point L5596-1(line 5596) no Hoare annotation was computed. [2021-11-17 01:54:32,456 INFO L861 garLoopResultBuilder]: At program point L5596(line 5596) the Hoare annotation is: true [2021-11-17 01:54:32,456 INFO L858 garLoopResultBuilder]: For program point L5266(line 5266) no Hoare annotation was computed. [2021-11-17 01:54:32,456 INFO L861 garLoopResultBuilder]: At program point L5332(line 5332) the Hoare annotation is: true [2021-11-17 01:54:32,456 INFO L858 garLoopResultBuilder]: For program point L6191(line 6191) no Hoare annotation was computed. [2021-11-17 01:54:32,456 INFO L858 garLoopResultBuilder]: For program point L7116(line 7116) no Hoare annotation was computed. [2021-11-17 01:54:32,457 INFO L858 garLoopResultBuilder]: For program point L4804-1(line 4804) no Hoare annotation was computed. [2021-11-17 01:54:32,457 INFO L858 garLoopResultBuilder]: For program point L4738(lines 4738 4742) no Hoare annotation was computed. [2021-11-17 01:54:32,457 INFO L861 garLoopResultBuilder]: At program point L4804(line 4804) the Hoare annotation is: true [2021-11-17 01:54:32,457 INFO L858 garLoopResultBuilder]: For program point L5201(line 5201) no Hoare annotation was computed. [2021-11-17 01:54:32,457 INFO L858 garLoopResultBuilder]: For program point L6192(lines 6192 6195) no Hoare annotation was computed. [2021-11-17 01:54:32,457 INFO L861 garLoopResultBuilder]: At program point L7117(lines 7111 7119) the Hoare annotation is: true [2021-11-17 01:54:32,457 INFO L858 garLoopResultBuilder]: For program point L4805(lines 4805 4810) no Hoare annotation was computed. [2021-11-17 01:54:32,457 INFO L861 garLoopResultBuilder]: At program point L5598(lines 5508 5607) the Hoare annotation is: true [2021-11-17 01:54:32,458 INFO L858 garLoopResultBuilder]: For program point L5532(lines 5532 5535) no Hoare annotation was computed. [2021-11-17 01:54:32,458 INFO L858 garLoopResultBuilder]: For program point L6457-1(line 6457) no Hoare annotation was computed. [2021-11-17 01:54:32,458 INFO L861 garLoopResultBuilder]: At program point L6457(line 6457) the Hoare annotation is: true [2021-11-17 01:54:32,458 INFO L858 garLoopResultBuilder]: For program point L5268-2(lines 5268 5272) no Hoare annotation was computed. [2021-11-17 01:54:32,458 INFO L858 garLoopResultBuilder]: For program point L5268(lines 5268 5272) no Hoare annotation was computed. [2021-11-17 01:54:32,458 INFO L858 garLoopResultBuilder]: For program point L5004-1(lines 5004 5005) no Hoare annotation was computed. [2021-11-17 01:54:32,458 INFO L861 garLoopResultBuilder]: At program point L5004(lines 5004 5005) the Hoare annotation is: true [2021-11-17 01:54:32,458 INFO L858 garLoopResultBuilder]: For program point L6524-1(line 6524) no Hoare annotation was computed. [2021-11-17 01:54:32,459 INFO L861 garLoopResultBuilder]: At program point L6524(line 6524) the Hoare annotation is: true [2021-11-17 01:54:32,459 INFO L861 garLoopResultBuilder]: At program point L5335(lines 5137 5355) the Hoare annotation is: true [2021-11-17 01:54:32,459 INFO L858 garLoopResultBuilder]: For program point L6392-1(line 6392) no Hoare annotation was computed. [2021-11-17 01:54:32,459 INFO L861 garLoopResultBuilder]: At program point L6392(line 6392) the Hoare annotation is: true [2021-11-17 01:54:32,459 INFO L858 garLoopResultBuilder]: For program point L5732-2(lines 5732 5741) no Hoare annotation was computed. [2021-11-17 01:54:32,459 INFO L858 garLoopResultBuilder]: For program point L5732(lines 5732 5741) no Hoare annotation was computed. [2021-11-17 01:54:32,459 INFO L861 garLoopResultBuilder]: At program point L5600(lines 5508 5607) the Hoare annotation is: true [2021-11-17 01:54:32,459 INFO L858 garLoopResultBuilder]: For program point L6459(line 6459) no Hoare annotation was computed. [2021-11-17 01:54:32,460 INFO L861 garLoopResultBuilder]: At program point L6327(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,460 INFO L861 garLoopResultBuilder]: At program point L6393(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,460 INFO L861 garLoopResultBuilder]: At program point L5138(line 5138) the Hoare annotation is: true [2021-11-17 01:54:32,460 INFO L858 garLoopResultBuilder]: For program point L5006(lines 5006 5011) no Hoare annotation was computed. [2021-11-17 01:54:32,460 INFO L858 garLoopResultBuilder]: For program point L5138-1(line 5138) no Hoare annotation was computed. [2021-11-17 01:54:32,460 INFO L858 garLoopResultBuilder]: For program point L4874(lines 4874 4877) no Hoare annotation was computed. [2021-11-17 01:54:32,460 INFO L861 garLoopResultBuilder]: At program point L3619(lines 3615 3621) the Hoare annotation is: true [2021-11-17 01:54:32,461 INFO L858 garLoopResultBuilder]: For program point L6526(line 6526) no Hoare annotation was computed. [2021-11-17 01:54:32,461 INFO L858 garLoopResultBuilder]: For program point L6460-2(lines 6460 6463) no Hoare annotation was computed. [2021-11-17 01:54:32,461 INFO L858 garLoopResultBuilder]: For program point L6460(line 6460) no Hoare annotation was computed. [2021-11-17 01:54:32,461 INFO L861 garLoopResultBuilder]: At program point L6262(line 6262) the Hoare annotation is: true [2021-11-17 01:54:32,461 INFO L858 garLoopResultBuilder]: For program point L6262-1(line 6262) no Hoare annotation was computed. [2021-11-17 01:54:32,461 INFO L861 garLoopResultBuilder]: At program point L4743(lines 4723 4745) the Hoare annotation is: true [2021-11-17 01:54:32,461 INFO L858 garLoopResultBuilder]: For program point L5536-1(lines 5536 5537) no Hoare annotation was computed. [2021-11-17 01:54:32,461 INFO L858 garLoopResultBuilder]: For program point L6527(line 6527) no Hoare annotation was computed. [2021-11-17 01:54:32,462 INFO L861 garLoopResultBuilder]: At program point L5536(lines 5536 5537) the Hoare annotation is: true [2021-11-17 01:54:32,462 INFO L858 garLoopResultBuilder]: For program point L6527-2(lines 6527 6530) no Hoare annotation was computed. [2021-11-17 01:54:32,462 INFO L858 garLoopResultBuilder]: For program point L6263(lines 6263 6267) no Hoare annotation was computed. [2021-11-17 01:54:32,462 INFO L858 garLoopResultBuilder]: For program point L5206(line 5206) no Hoare annotation was computed. [2021-11-17 01:54:32,462 INFO L858 garLoopResultBuilder]: For program point L5140-2(lines 5140 5143) no Hoare annotation was computed. [2021-11-17 01:54:32,462 INFO L858 garLoopResultBuilder]: For program point L5140(line 5140) no Hoare annotation was computed. [2021-11-17 01:54:32,462 INFO L861 garLoopResultBuilder]: At program point L4942(lines 4942 4943) the Hoare annotation is: true [2021-11-17 01:54:32,462 INFO L858 garLoopResultBuilder]: For program point L4942-1(lines 4942 4943) no Hoare annotation was computed. [2021-11-17 01:54:32,463 INFO L861 garLoopResultBuilder]: At program point L5735(line 5735) the Hoare annotation is: true [2021-11-17 01:54:32,463 INFO L858 garLoopResultBuilder]: For program point L5735-1(line 5735) no Hoare annotation was computed. [2021-11-17 01:54:32,463 INFO L861 garLoopResultBuilder]: At program point L5603(line 5603) the Hoare annotation is: true [2021-11-17 01:54:32,463 INFO L858 garLoopResultBuilder]: For program point L5603-1(line 5603) no Hoare annotation was computed. [2021-11-17 01:54:32,463 INFO L858 garLoopResultBuilder]: For program point L5339(lines 5339 5342) no Hoare annotation was computed. [2021-11-17 01:54:32,463 INFO L861 garLoopResultBuilder]: At program point L6198(line 6198) the Hoare annotation is: true [2021-11-17 01:54:32,463 INFO L858 garLoopResultBuilder]: For program point L5273(lines 5273 5276) no Hoare annotation was computed. [2021-11-17 01:54:32,463 INFO L858 garLoopResultBuilder]: For program point L6198-1(line 6198) no Hoare annotation was computed. [2021-11-17 01:54:32,464 INFO L858 garLoopResultBuilder]: For program point L5736(lines 5736 5739) no Hoare annotation was computed. [2021-11-17 01:54:32,464 INFO L861 garLoopResultBuilder]: At program point L5604(lines 5508 5607) the Hoare annotation is: true [2021-11-17 01:54:32,464 INFO L858 garLoopResultBuilder]: For program point L6331(lines 6331 6335) no Hoare annotation was computed. [2021-11-17 01:54:32,464 INFO L858 garLoopResultBuilder]: For program point L6397(lines 6397 6401) no Hoare annotation was computed. [2021-11-17 01:54:32,464 INFO L858 garLoopResultBuilder]: For program point L6199(lines 6199 6203) no Hoare annotation was computed. [2021-11-17 01:54:32,464 INFO L861 garLoopResultBuilder]: At program point L7124-1(line 7124) the Hoare annotation is: true [2021-11-17 01:54:32,464 INFO L861 garLoopResultBuilder]: At program point L7124(line 7124) the Hoare annotation is: true [2021-11-17 01:54:32,464 INFO L858 garLoopResultBuilder]: For program point L4944-1(line 4944) no Hoare annotation was computed. [2021-11-17 01:54:32,464 INFO L861 garLoopResultBuilder]: At program point L4944(line 4944) the Hoare annotation is: true [2021-11-17 01:54:32,464 INFO L858 garLoopResultBuilder]: For program point L4812(lines 4812 4817) no Hoare annotation was computed. [2021-11-17 01:54:32,465 INFO L861 garLoopResultBuilder]: At program point L5605(line 5605) the Hoare annotation is: true [2021-11-17 01:54:32,465 INFO L858 garLoopResultBuilder]: For program point L5605-1(line 5605) no Hoare annotation was computed. [2021-11-17 01:54:32,465 INFO L861 garLoopResultBuilder]: At program point L6398(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,465 INFO L861 garLoopResultBuilder]: At program point L6332(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,465 INFO L858 garLoopResultBuilder]: For program point L7125(line 7125) no Hoare annotation was computed. [2021-11-17 01:54:32,465 INFO L858 garLoopResultBuilder]: For program point L4945(lines 4945 4950) no Hoare annotation was computed. [2021-11-17 01:54:32,465 INFO L861 garLoopResultBuilder]: At program point L5606(lines 5497 5608) the Hoare annotation is: true [2021-11-17 01:54:32,465 INFO L858 garLoopResultBuilder]: For program point L5540-2(lines 5540 5544) no Hoare annotation was computed. [2021-11-17 01:54:32,465 INFO L858 garLoopResultBuilder]: For program point L5540(lines 5540 5544) no Hoare annotation was computed. [2021-11-17 01:54:32,465 INFO L858 garLoopResultBuilder]: For program point L5144-1(line 5144) no Hoare annotation was computed. [2021-11-17 01:54:32,465 INFO L861 garLoopResultBuilder]: At program point L7126(lines 7120 7128) the Hoare annotation is: true [2021-11-17 01:54:32,465 INFO L861 garLoopResultBuilder]: At program point L5144(line 5144) the Hoare annotation is: true [2021-11-17 01:54:32,465 INFO L861 garLoopResultBuilder]: At program point L5012(lines 4764 5014) the Hoare annotation is: true [2021-11-17 01:54:32,465 INFO L861 garLoopResultBuilder]: At program point usbtest_ioctlENTRY(lines 6129 6574) the Hoare annotation is: true [2021-11-17 01:54:32,465 INFO L858 garLoopResultBuilder]: For program point L4880(lines 4880 4884) no Hoare annotation was computed. [2021-11-17 01:54:32,466 INFO L861 garLoopResultBuilder]: At program point L6466(line 6466) the Hoare annotation is: true [2021-11-17 01:54:32,466 INFO L861 garLoopResultBuilder]: At program point L5541(line 5541) the Hoare annotation is: true [2021-11-17 01:54:32,466 INFO L858 garLoopResultBuilder]: For program point L5541-1(line 5541) no Hoare annotation was computed. [2021-11-17 01:54:32,466 INFO L858 garLoopResultBuilder]: For program point L6466-1(line 6466) no Hoare annotation was computed. [2021-11-17 01:54:32,466 INFO L858 garLoopResultBuilder]: For program point L6268-1(line 6268) no Hoare annotation was computed. [2021-11-17 01:54:32,466 INFO L858 garLoopResultBuilder]: For program point L5211(line 5211) no Hoare annotation was computed. [2021-11-17 01:54:32,466 INFO L861 garLoopResultBuilder]: At program point L6268(line 6268) the Hoare annotation is: true [2021-11-17 01:54:32,467 INFO L861 garLoopResultBuilder]: At program point L5145(line 5145) the Hoare annotation is: true [2021-11-17 01:54:32,467 INFO L858 garLoopResultBuilder]: For program point L5145-1(line 5145) no Hoare annotation was computed. [2021-11-17 01:54:32,467 INFO L858 garLoopResultBuilder]: For program point L4815(line 4815) no Hoare annotation was computed. [2021-11-17 01:54:32,467 INFO L858 garLoopResultBuilder]: For program point L4815-2(line 4815) no Hoare annotation was computed. [2021-11-17 01:54:32,467 INFO L861 garLoopResultBuilder]: At program point L3626(lines 3622 3628) the Hoare annotation is: true [2021-11-17 01:54:32,467 INFO L858 garLoopResultBuilder]: For program point L6533-1(line 6533) no Hoare annotation was computed. [2021-11-17 01:54:32,467 INFO L861 garLoopResultBuilder]: At program point L6533(line 6533) the Hoare annotation is: true [2021-11-17 01:54:32,467 INFO L858 garLoopResultBuilder]: For program point L5344-1(line 5344) no Hoare annotation was computed. [2021-11-17 01:54:32,468 INFO L858 garLoopResultBuilder]: For program point L5278(line 5278) no Hoare annotation was computed. [2021-11-17 01:54:32,468 INFO L861 garLoopResultBuilder]: At program point L5344(line 5344) the Hoare annotation is: true [2021-11-17 01:54:32,468 INFO L861 garLoopResultBuilder]: At program point L6269(line 6269) the Hoare annotation is: true [2021-11-17 01:54:32,468 INFO L858 garLoopResultBuilder]: For program point L6269-1(line 6269) no Hoare annotation was computed. [2021-11-17 01:54:32,468 INFO L858 garLoopResultBuilder]: For program point L4948-2(line 4948) no Hoare annotation was computed. [2021-11-17 01:54:32,468 INFO L858 garLoopResultBuilder]: For program point L4948(line 4948) no Hoare annotation was computed. [2021-11-17 01:54:32,468 INFO L861 garLoopResultBuilder]: At program point L4618(lines 4618 4641) the Hoare annotation is: true [2021-11-17 01:54:32,468 INFO L858 garLoopResultBuilder]: For program point L6468(line 6468) no Hoare annotation was computed. [2021-11-17 01:54:32,469 INFO L861 garLoopResultBuilder]: At program point L5345(line 5345) the Hoare annotation is: true [2021-11-17 01:54:32,469 INFO L858 garLoopResultBuilder]: For program point L5345-1(line 5345) no Hoare annotation was computed. [2021-11-17 01:54:32,469 INFO L858 garLoopResultBuilder]: For program point L6204-1(line 6204) no Hoare annotation was computed. [2021-11-17 01:54:32,469 INFO L861 garLoopResultBuilder]: At program point L5147(line 5147) the Hoare annotation is: true [2021-11-17 01:54:32,469 INFO L858 garLoopResultBuilder]: For program point L5147-1(line 5147) no Hoare annotation was computed. [2021-11-17 01:54:32,469 INFO L861 garLoopResultBuilder]: At program point L6204(line 6204) the Hoare annotation is: true [2021-11-17 01:54:32,469 INFO L858 garLoopResultBuilder]: For program point L4751(lines 4751 4755) no Hoare annotation was computed. [2021-11-17 01:54:32,469 INFO L858 garLoopResultBuilder]: For program point L5742(lines 5742 5747) no Hoare annotation was computed. [2021-11-17 01:54:32,470 INFO L858 garLoopResultBuilder]: For program point L6535(line 6535) no Hoare annotation was computed. [2021-11-17 01:54:32,470 INFO L861 garLoopResultBuilder]: At program point L5346(lines 5137 5355) the Hoare annotation is: true [2021-11-17 01:54:32,470 INFO L858 garLoopResultBuilder]: For program point L6469(lines 6469 6472) no Hoare annotation was computed. [2021-11-17 01:54:32,470 INFO L858 garLoopResultBuilder]: For program point L6271(line 6271) no Hoare annotation was computed. [2021-11-17 01:54:32,470 INFO L861 garLoopResultBuilder]: At program point L6205(line 6205) the Hoare annotation is: true [2021-11-17 01:54:32,470 INFO L861 garLoopResultBuilder]: At program point L4818(lines 4787 5013) the Hoare annotation is: true [2021-11-17 01:54:32,470 INFO L858 garLoopResultBuilder]: For program point L6536-2(line 6536) no Hoare annotation was computed. [2021-11-17 01:54:32,470 INFO L858 garLoopResultBuilder]: For program point L6536(line 6536) no Hoare annotation was computed. [2021-11-17 01:54:32,470 INFO L861 garLoopResultBuilder]: At program point L6338(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,470 INFO L858 garLoopResultBuilder]: For program point L6536-5(lines 6536 6539) no Hoare annotation was computed. [2021-11-17 01:54:32,470 INFO L861 garLoopResultBuilder]: At program point L6404(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,471 INFO L858 garLoopResultBuilder]: For program point L6536-3(line 6536) no Hoare annotation was computed. [2021-11-17 01:54:32,471 INFO L861 garLoopResultBuilder]: At program point L5215(line 5215) the Hoare annotation is: true [2021-11-17 01:54:32,471 INFO L858 garLoopResultBuilder]: For program point L6272-2(lines 6272 6275) no Hoare annotation was computed. [2021-11-17 01:54:32,471 INFO L858 garLoopResultBuilder]: For program point L5215-1(line 5215) no Hoare annotation was computed. [2021-11-17 01:54:32,471 INFO L858 garLoopResultBuilder]: For program point L6272(line 6272) no Hoare annotation was computed. [2021-11-17 01:54:32,471 INFO L858 garLoopResultBuilder]: For program point L4885(lines 4885 4927) no Hoare annotation was computed. [2021-11-17 01:54:32,471 INFO L861 garLoopResultBuilder]: At program point L5546(lines 5508 5607) the Hoare annotation is: true [2021-11-17 01:54:32,471 INFO L861 garLoopResultBuilder]: At program point L5348(lines 5137 5355) the Hoare annotation is: true [2021-11-17 01:54:32,472 INFO L858 garLoopResultBuilder]: For program point L6207(line 6207) no Hoare annotation was computed. [2021-11-17 01:54:32,472 INFO L858 garLoopResultBuilder]: For program point L4886(line 4886) no Hoare annotation was computed. [2021-11-17 01:54:32,472 INFO L861 garLoopResultBuilder]: At program point L4952(lines 4787 5013) the Hoare annotation is: true [2021-11-17 01:54:32,472 INFO L861 garLoopResultBuilder]: At program point L4820(lines 4787 5013) the Hoare annotation is: true [2021-11-17 01:54:32,472 INFO L861 garLoopResultBuilder]: At program point L5745(line 5745) the Hoare annotation is: true [2021-11-17 01:54:32,472 INFO L858 garLoopResultBuilder]: For program point L5745-1(line 5745) no Hoare annotation was computed. [2021-11-17 01:54:32,472 INFO L861 garLoopResultBuilder]: At program point L5283(lines 5137 5355) the Hoare annotation is: true [2021-11-17 01:54:32,473 INFO L858 garLoopResultBuilder]: For program point L5349(lines 5349 5352) no Hoare annotation was computed. [2021-11-17 01:54:32,473 INFO L858 garLoopResultBuilder]: For program point L6208(lines 6208 6211) no Hoare annotation was computed. [2021-11-17 01:54:32,473 INFO L858 garLoopResultBuilder]: For program point L4887(lines 4887 4897) no Hoare annotation was computed. [2021-11-17 01:54:32,473 INFO L858 garLoopResultBuilder]: For program point L4953(lines 4953 4956) no Hoare annotation was computed. [2021-11-17 01:54:32,473 INFO L858 garLoopResultBuilder]: For program point L4821(lines 4821 4824) no Hoare annotation was computed. [2021-11-17 01:54:32,473 INFO L861 garLoopResultBuilder]: At program point L5548(lines 5508 5607) the Hoare annotation is: true [2021-11-17 01:54:32,473 INFO L861 garLoopResultBuilder]: At program point L5350(lines 5137 5355) the Hoare annotation is: true [2021-11-17 01:54:32,473 INFO L861 garLoopResultBuilder]: At program point L4954(lines 4787 5013) the Hoare annotation is: true [2021-11-17 01:54:32,474 INFO L861 garLoopResultBuilder]: At program point L4822(lines 4787 5013) the Hoare annotation is: true [2021-11-17 01:54:32,474 INFO L858 garLoopResultBuilder]: For program point L4756(lines 4756 4760) no Hoare annotation was computed. [2021-11-17 01:54:32,474 INFO L861 garLoopResultBuilder]: At program point L3633(lines 3629 3635) the Hoare annotation is: true [2021-11-17 01:54:32,474 INFO L858 garLoopResultBuilder]: For program point L5219(line 5219) no Hoare annotation was computed. [2021-11-17 01:54:32,474 INFO L861 garLoopResultBuilder]: At program point L5285(line 5285) the Hoare annotation is: true [2021-11-17 01:54:32,474 INFO L861 garLoopResultBuilder]: At program point L7333(lines 7332 7334) the Hoare annotation is: true [2021-11-17 01:54:32,474 INFO L858 garLoopResultBuilder]: For program point L5285-1(line 5285) no Hoare annotation was computed. [2021-11-17 01:54:32,474 INFO L861 garLoopResultBuilder]: At program point L5153(line 5153) the Hoare annotation is: true [2021-11-17 01:54:32,475 INFO L858 garLoopResultBuilder]: For program point L5153-1(line 5153) no Hoare annotation was computed. [2021-11-17 01:54:32,475 INFO L861 garLoopResultBuilder]: At program point L5748(lines 5719 5751) the Hoare annotation is: true [2021-11-17 01:54:32,475 INFO L858 garLoopResultBuilder]: For program point L6475-1(lines 6475 6476) no Hoare annotation was computed. [2021-11-17 01:54:32,475 INFO L861 garLoopResultBuilder]: At program point L6475(lines 6475 6476) the Hoare annotation is: true [2021-11-17 01:54:32,475 INFO L858 garLoopResultBuilder]: For program point L5749(line 5749) no Hoare annotation was computed. [2021-11-17 01:54:32,475 INFO L858 garLoopResultBuilder]: For program point L5287(lines 5287 5290) no Hoare annotation was computed. [2021-11-17 01:54:32,475 INFO L861 garLoopResultBuilder]: At program point L6278(line 6278) the Hoare annotation is: true [2021-11-17 01:54:32,475 INFO L861 garLoopResultBuilder]: At program point L5353(line 5353) the Hoare annotation is: true [2021-11-17 01:54:32,476 INFO L858 garLoopResultBuilder]: For program point L5353-1(line 5353) no Hoare annotation was computed. [2021-11-17 01:54:32,476 INFO L858 garLoopResultBuilder]: For program point L5155(lines 5155 5158) no Hoare annotation was computed. [2021-11-17 01:54:32,476 INFO L858 garLoopResultBuilder]: For program point L6278-1(line 6278) no Hoare annotation was computed. [2021-11-17 01:54:32,476 INFO L858 garLoopResultBuilder]: For program point L4957(lines 4957 4997) no Hoare annotation was computed. [2021-11-17 01:54:32,476 INFO L858 garLoopResultBuilder]: For program point L4957-1(lines 4957 4997) no Hoare annotation was computed. [2021-11-17 01:54:32,476 INFO L858 garLoopResultBuilder]: For program point L4825-2(lines 4825 4837) no Hoare annotation was computed. [2021-11-17 01:54:32,476 INFO L861 garLoopResultBuilder]: At program point L5750(lines 5712 5752) the Hoare annotation is: true [2021-11-17 01:54:32,476 INFO L858 garLoopResultBuilder]: For program point L4825(line 4825) no Hoare annotation was computed. [2021-11-17 01:54:32,477 INFO L861 garLoopResultBuilder]: At program point L4627(line 4627) the Hoare annotation is: true [2021-11-17 01:54:32,477 INFO L858 garLoopResultBuilder]: For program point L4627-1(line 4627) no Hoare annotation was computed. [2021-11-17 01:54:32,477 INFO L858 garLoopResultBuilder]: For program point L4825-4(lines 4825 4837) no Hoare annotation was computed. [2021-11-17 01:54:32,477 INFO L861 garLoopResultBuilder]: At program point L5354(lines 5119 5356) the Hoare annotation is: true [2021-11-17 01:54:32,477 INFO L858 garLoopResultBuilder]: For program point L6411(line 6411) no Hoare annotation was computed. [2021-11-17 01:54:32,477 INFO L858 garLoopResultBuilder]: For program point L6279(lines 6279 6283) no Hoare annotation was computed. [2021-11-17 01:54:32,477 INFO L858 garLoopResultBuilder]: For program point L6345(line 6345) no Hoare annotation was computed. [2021-11-17 01:54:32,477 INFO L858 garLoopResultBuilder]: For program point L4892(lines 4892 4896) no Hoare annotation was computed. [2021-11-17 01:54:32,478 INFO L858 garLoopResultBuilder]: For program point L6478(line 6478) no Hoare annotation was computed. [2021-11-17 01:54:32,478 INFO L858 garLoopResultBuilder]: For program point L6412-2(lines 6412 6415) no Hoare annotation was computed. [2021-11-17 01:54:32,478 INFO L858 garLoopResultBuilder]: For program point L6412(line 6412) no Hoare annotation was computed. [2021-11-17 01:54:32,478 INFO L861 garLoopResultBuilder]: At program point L6214(line 6214) the Hoare annotation is: true [2021-11-17 01:54:32,478 INFO L858 garLoopResultBuilder]: For program point L6214-1(line 6214) no Hoare annotation was computed. [2021-11-17 01:54:32,478 INFO L861 garLoopResultBuilder]: At program point L4959(line 4959) the Hoare annotation is: true [2021-11-17 01:54:32,478 INFO L858 garLoopResultBuilder]: For program point L4959-1(line 4959) no Hoare annotation was computed. [2021-11-17 01:54:32,478 INFO L861 garLoopResultBuilder]: At program point L4827(line 4827) the Hoare annotation is: true [2021-11-17 01:54:32,479 INFO L858 garLoopResultBuilder]: For program point L4827-1(line 4827) no Hoare annotation was computed. [2021-11-17 01:54:32,479 INFO L861 garLoopResultBuilder]: At program point L4761(lines 4746 4763) the Hoare annotation is: true [2021-11-17 01:54:32,479 INFO L861 garLoopResultBuilder]: At program point L4629(line 4629) the Hoare annotation is: true [2021-11-17 01:54:32,479 INFO L858 garLoopResultBuilder]: For program point L4629-1(line 4629) no Hoare annotation was computed. [2021-11-17 01:54:32,479 INFO L858 garLoopResultBuilder]: For program point L6479(lines 6479 6482) no Hoare annotation was computed. [2021-11-17 01:54:32,479 INFO L858 garLoopResultBuilder]: For program point L6215(lines 6215 6219) no Hoare annotation was computed. [2021-11-17 01:54:32,479 INFO L858 garLoopResultBuilder]: For program point L5224(line 5224) no Hoare annotation was computed. [2021-11-17 01:54:32,479 INFO L861 garLoopResultBuilder]: At program point L6149(line 6149) the Hoare annotation is: true [2021-11-17 01:54:32,479 INFO L858 garLoopResultBuilder]: For program point L6149-1(line 6149) no Hoare annotation was computed. [2021-11-17 01:54:32,480 INFO L858 garLoopResultBuilder]: For program point L4960-2(lines 4957 4996) no Hoare annotation was computed. [2021-11-17 01:54:32,480 INFO L858 garLoopResultBuilder]: For program point L4960(lines 4960 4973) no Hoare annotation was computed. [2021-11-17 01:54:32,480 INFO L858 garLoopResultBuilder]: For program point L4828-1(lines 4828 4829) no Hoare annotation was computed. [2021-11-17 01:54:32,480 INFO L861 garLoopResultBuilder]: At program point L4828(lines 4828 4829) the Hoare annotation is: true [2021-11-17 01:54:32,480 INFO L861 garLoopResultBuilder]: At program point L4630(lines 4630 4631) the Hoare annotation is: true [2021-11-17 01:54:32,480 INFO L858 garLoopResultBuilder]: For program point L4630-1(lines 4630 4631) no Hoare annotation was computed. [2021-11-17 01:54:32,480 INFO L861 garLoopResultBuilder]: At program point L5291(line 5291) the Hoare annotation is: true [2021-11-17 01:54:32,480 INFO L858 garLoopResultBuilder]: For program point L5291-1(line 5291) no Hoare annotation was computed. [2021-11-17 01:54:32,480 INFO L858 garLoopResultBuilder]: For program point L4961(lines 4961 4966) no Hoare annotation was computed. [2021-11-17 01:54:32,480 INFO L858 garLoopResultBuilder]: For program point L6547(lines 6547 6552) no Hoare annotation was computed. [2021-11-17 01:54:32,480 INFO L858 garLoopResultBuilder]: For program point L5556(lines 5556 5563) no Hoare annotation was computed. [2021-11-17 01:54:32,480 INFO L861 garLoopResultBuilder]: At program point L6151(line 6151) the Hoare annotation is: true [2021-11-17 01:54:32,480 INFO L858 garLoopResultBuilder]: For program point L6151-1(line 6151) no Hoare annotation was computed. [2021-11-17 01:54:32,481 INFO L858 garLoopResultBuilder]: For program point L4830(line 4830) no Hoare annotation was computed. [2021-11-17 01:54:32,481 INFO L858 garLoopResultBuilder]: For program point L4830-2(lines 4830 4835) no Hoare annotation was computed. [2021-11-17 01:54:32,481 INFO L858 garLoopResultBuilder]: For program point L4632(lines 4632 4639) no Hoare annotation was computed. [2021-11-17 01:54:32,481 INFO L858 garLoopResultBuilder]: For program point L6284-1(line 6284) no Hoare annotation was computed. [2021-11-17 01:54:32,481 INFO L858 garLoopResultBuilder]: For program point L5293(lines 5293 5296) no Hoare annotation was computed. [2021-11-17 01:54:32,481 INFO L861 garLoopResultBuilder]: At program point L6284(line 6284) the Hoare annotation is: true [2021-11-17 01:54:32,481 INFO L858 garLoopResultBuilder]: For program point L4633(line 4633) no Hoare annotation was computed. [2021-11-17 01:54:32,482 INFO L858 garLoopResultBuilder]: For program point L6351(line 6351) no Hoare annotation was computed. [2021-11-17 01:54:32,482 INFO L858 garLoopResultBuilder]: For program point L5162(line 5162) no Hoare annotation was computed. [2021-11-17 01:54:32,482 INFO L861 garLoopResultBuilder]: At program point L6285(line 6285) the Hoare annotation is: true [2021-11-17 01:54:32,482 INFO L858 garLoopResultBuilder]: For program point L6285-1(line 6285) no Hoare annotation was computed. [2021-11-17 01:54:32,482 INFO L858 garLoopResultBuilder]: For program point L4964-2(line 4964) no Hoare annotation was computed. [2021-11-17 01:54:32,483 INFO L858 garLoopResultBuilder]: For program point L4964(line 4964) no Hoare annotation was computed. [2021-11-17 01:54:32,483 INFO L858 garLoopResultBuilder]: For program point L6352-2(lines 6352 6355) no Hoare annotation was computed. [2021-11-17 01:54:32,483 INFO L858 garLoopResultBuilder]: For program point L6352(line 6352) no Hoare annotation was computed. [2021-11-17 01:54:32,483 INFO L858 garLoopResultBuilder]: For program point L6220-1(line 6220) no Hoare annotation was computed. [2021-11-17 01:54:32,483 INFO L858 garLoopResultBuilder]: For program point L5229(line 5229) no Hoare annotation was computed. [2021-11-17 01:54:32,483 INFO L861 garLoopResultBuilder]: At program point L6220(line 6220) the Hoare annotation is: true [2021-11-17 01:54:32,483 INFO L861 garLoopResultBuilder]: At program point L7079-1(line 7079) the Hoare annotation is: true [2021-11-17 01:54:32,484 INFO L861 garLoopResultBuilder]: At program point L7079(line 7079) the Hoare annotation is: true [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L4899(line 4899) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L4833-2(line 4833) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L4833(line 4833) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L4635(line 4635) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L4635-2(line 4635) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L6485-1(lines 6485 6486) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L861 garLoopResultBuilder]: At program point L6485(lines 6485 6486) the Hoare annotation is: true [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L6287(line 6287) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L861 garLoopResultBuilder]: At program point L6221(line 6221) the Hoare annotation is: true [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L7080(line 7080) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L4900(lines 4900 4910) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L6288-2(line 6288) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L6288(line 6288) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L6288-5(lines 6288 6291) no Hoare annotation was computed. [2021-11-17 01:54:32,484 INFO L858 garLoopResultBuilder]: For program point L6288-3(line 6288) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L861 garLoopResultBuilder]: At program point L5165(line 5165) the Hoare annotation is: true [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L6156(lines 6156 6159) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L5165-1(line 5165) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L861 garLoopResultBuilder]: At program point L7081(lines 7075 7083) the Hoare annotation is: true [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L4637(line 4637) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L6223(line 6223) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L4968(lines 4968 4973) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L861 garLoopResultBuilder]: At program point L6554(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L6488(line 6488) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L6224-2(lines 6224 6227) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L6224(line 6224) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L861 garLoopResultBuilder]: At program point L6423(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L6489(lines 6489 6492) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L5234(line 5234) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L5168(lines 5168 5282) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L4970(line 4970) no Hoare annotation was computed. [2021-11-17 01:54:32,485 INFO L861 garLoopResultBuilder]: At program point L4838(line 4838) the Hoare annotation is: true [2021-11-17 01:54:32,485 INFO L858 garLoopResultBuilder]: For program point L4970-2(line 4970) no Hoare annotation was computed. [2021-11-17 01:54:32,486 INFO L858 garLoopResultBuilder]: For program point L4838-1(line 4838) no Hoare annotation was computed. [2021-11-17 01:54:32,486 INFO L861 garLoopResultBuilder]: At program point L5565(lines 5508 5607) the Hoare annotation is: true [2021-11-17 01:54:32,486 INFO L861 garLoopResultBuilder]: At program point L6556(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,486 INFO L858 garLoopResultBuilder]: For program point L5169(line 5169) no Hoare annotation was computed. [2021-11-17 01:54:32,486 INFO L858 garLoopResultBuilder]: For program point L6160(lines 6160 6163) no Hoare annotation was computed. [2021-11-17 01:54:32,486 INFO L858 garLoopResultBuilder]: For program point usbtest_ioctlFINAL(lines 6129 6574) no Hoare annotation was computed. [2021-11-17 01:54:32,486 INFO L858 garLoopResultBuilder]: For program point L4839(lines 4839 4843) no Hoare annotation was computed. [2021-11-17 01:54:32,486 INFO L858 garLoopResultBuilder]: For program point L4905(lines 4905 4909) no Hoare annotation was computed. [2021-11-17 01:54:32,486 INFO L861 garLoopResultBuilder]: At program point L5567(lines 5508 5607) the Hoare annotation is: true [2021-11-17 01:54:32,486 INFO L861 garLoopResultBuilder]: At program point L6294(line 6294) the Hoare annotation is: true [2021-11-17 01:54:32,486 INFO L858 garLoopResultBuilder]: For program point L6294-1(line 6294) no Hoare annotation was computed. [2021-11-17 01:54:32,487 INFO L858 garLoopResultBuilder]: For program point L4841-2(line 4841) no Hoare annotation was computed. [2021-11-17 01:54:32,487 INFO L858 garLoopResultBuilder]: For program point L4841(line 4841) no Hoare annotation was computed. [2021-11-17 01:54:32,487 INFO L858 garLoopResultBuilder]: For program point L4709(lines 4709 4713) no Hoare annotation was computed. [2021-11-17 01:54:32,487 INFO L858 garLoopResultBuilder]: For program point L6427(lines 6427 6431) no Hoare annotation was computed. [2021-11-17 01:54:32,487 INFO L858 garLoopResultBuilder]: For program point L6295(lines 6295 6299) no Hoare annotation was computed. [2021-11-17 01:54:32,487 INFO L861 garLoopResultBuilder]: At program point L5304(lines 5137 5355) the Hoare annotation is: true [2021-11-17 01:54:32,487 INFO L861 garLoopResultBuilder]: At program point L6362(line 6362) the Hoare annotation is: true [2021-11-17 01:54:32,487 INFO L861 garLoopResultBuilder]: At program point L6428(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,487 INFO L858 garLoopResultBuilder]: For program point L5239(line 5239) no Hoare annotation was computed. [2021-11-17 01:54:32,487 INFO L861 garLoopResultBuilder]: At program point L6230(line 6230) the Hoare annotation is: true [2021-11-17 01:54:32,488 INFO L858 garLoopResultBuilder]: For program point L5305(lines 5305 5308) no Hoare annotation was computed. [2021-11-17 01:54:32,488 INFO L858 garLoopResultBuilder]: For program point L6362-1(line 6362) no Hoare annotation was computed. [2021-11-17 01:54:32,488 INFO L858 garLoopResultBuilder]: For program point L6230-1(line 6230) no Hoare annotation was computed. [2021-11-17 01:54:32,488 INFO L858 garLoopResultBuilder]: For program point L5173(line 5173) no Hoare annotation was computed. [2021-11-17 01:54:32,488 INFO L861 garLoopResultBuilder]: At program point L5570(lines 5508 5607) the Hoare annotation is: true [2021-11-17 01:54:32,488 INFO L858 garLoopResultBuilder]: For program point L6495-1(lines 6495 6496) no Hoare annotation was computed. [2021-11-17 01:54:32,488 INFO L861 garLoopResultBuilder]: At program point L6495(lines 6495 6496) the Hoare annotation is: true [2021-11-17 01:54:32,488 INFO L861 garLoopResultBuilder]: At program point L5306(lines 5137 5355) the Hoare annotation is: true [2021-11-17 01:54:32,488 INFO L861 garLoopResultBuilder]: At program point L6363(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,488 INFO L858 garLoopResultBuilder]: For program point L6231(lines 6231 6235) no Hoare annotation was computed. [2021-11-17 01:54:32,488 INFO L858 garLoopResultBuilder]: For program point L6165(lines 6165 6168) no Hoare annotation was computed. [2021-11-17 01:54:32,488 INFO L861 garLoopResultBuilder]: At program point L4844-1(lines 4844 4938) the Hoare annotation is: true [2021-11-17 01:54:32,488 INFO L858 garLoopResultBuilder]: For program point L4844(lines 4844 4938) no Hoare annotation was computed. [2021-11-17 01:54:32,488 INFO L861 garLoopResultBuilder]: At program point L6562(lines 6148 6573) the Hoare annotation is: true [2021-11-17 01:54:32,488 INFO L861 garLoopResultBuilder]: At program point L5571-1(lines 5571 5584) the Hoare annotation is: true [2021-11-17 01:54:32,488 INFO L858 garLoopResultBuilder]: For program point L5241-2(lines 5241 5245) no Hoare annotation was computed. [2021-11-17 01:54:32,489 INFO L858 garLoopResultBuilder]: For program point L5241(lines 5241 5245) no Hoare annotation was computed. [2021-11-17 01:54:32,489 INFO L858 garLoopResultBuilder]: For program point L5572-1(line 5572) no Hoare annotation was computed. [2021-11-17 01:54:32,489 INFO L858 garLoopResultBuilder]: For program point L6563(line 6563) no Hoare annotation was computed. [2021-11-17 01:54:32,489 INFO L861 garLoopResultBuilder]: At program point L5572(line 5572) the Hoare annotation is: true [2021-11-17 01:54:32,489 INFO L858 garLoopResultBuilder]: For program point L4912(line 4912) no Hoare annotation was computed. [2021-11-17 01:54:32,489 INFO L858 garLoopResultBuilder]: For program point L6498(line 6498) no Hoare annotation was computed. [2021-11-17 01:54:32,489 INFO L861 garLoopResultBuilder]: At program point L5573(line 5573) the Hoare annotation is: true [2021-11-17 01:54:32,489 INFO L858 garLoopResultBuilder]: For program point L5573-1(line 5573) no Hoare annotation was computed. [2021-11-17 01:54:32,489 INFO L858 garLoopResultBuilder]: For program point L6300-1(line 6300) no Hoare annotation was computed. [2021-11-17 01:54:32,489 INFO L861 garLoopResultBuilder]: At program point L6300(line 6300) the Hoare annotation is: true [2021-11-17 01:54:32,489 INFO L858 garLoopResultBuilder]: For program point L5177(line 5177) no Hoare annotation was computed. [2021-11-17 01:54:32,489 INFO L861 garLoopResultBuilder]: At program point L4979(lines 4979 4980) the Hoare annotation is: true [2021-11-17 01:54:32,490 INFO L858 garLoopResultBuilder]: For program point L4979-1(lines 4979 4980) no Hoare annotation was computed. [2021-11-17 01:54:32,490 INFO L861 garLoopResultBuilder]: At program point L4847(line 4847) the Hoare annotation is: true [2021-11-17 01:54:32,490 INFO L858 garLoopResultBuilder]: For program point L4847-1(line 4847) no Hoare annotation was computed. [2021-11-17 01:54:32,490 INFO L858 garLoopResultBuilder]: For program point L4913(lines 4913 4923) no Hoare annotation was computed. [2021-11-17 01:54:32,490 INFO L858 garLoopResultBuilder]: For program point L4715(lines 4715 4719) no Hoare annotation was computed. [2021-11-17 01:54:32,490 INFO L858 garLoopResultBuilder]: For program point L6499(lines 6499 6502) no Hoare annotation was computed. [2021-11-17 01:54:32,490 INFO L861 garLoopResultBuilder]: At program point L5310(line 5310) the Hoare annotation is: true [2021-11-17 01:54:32,490 INFO L858 garLoopResultBuilder]: For program point L6367(lines 6367 6371) no Hoare annotation was computed. [2021-11-17 01:54:32,490 INFO L861 garLoopResultBuilder]: At program point L6301(line 6301) the Hoare annotation is: true [2021-11-17 01:54:32,490 INFO L858 garLoopResultBuilder]: For program point L5310-1(line 5310) no Hoare annotation was computed. [2021-11-17 01:54:32,490 INFO L858 garLoopResultBuilder]: For program point L6301-1(line 6301) no Hoare annotation was computed. [2021-11-17 01:54:32,490 INFO L861 garLoopResultBuilder]: At program point L6169-2(lines 6169 6184) the Hoare annotation is: true [2021-11-17 01:54:32,490 INFO L858 garLoopResultBuilder]: For program point L6169(lines 6169 6184) no Hoare annotation was computed. [2021-11-17 01:54:32,490 INFO L858 garLoopResultBuilder]: For program point L4848(lines 4848 4853) no Hoare annotation was computed. [2021-11-17 01:54:32,490 INFO L858 garLoopResultBuilder]: For program point L6566(lines 6566 6570) no Hoare annotation was computed. [2021-11-17 01:54:32,490 INFO L861 garLoopResultBuilder]: At program point L6434(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,491 INFO L861 garLoopResultBuilder]: At program point L5509(line 5509) the Hoare annotation is: true [2021-11-17 01:54:32,491 INFO L861 garLoopResultBuilder]: At program point L6566-2(lines 6566 6570) the Hoare annotation is: true [2021-11-17 01:54:32,491 INFO L858 garLoopResultBuilder]: For program point L5509-1(line 5509) no Hoare annotation was computed. [2021-11-17 01:54:32,491 INFO L861 garLoopResultBuilder]: At program point L6368(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,491 INFO L858 garLoopResultBuilder]: For program point L6236-1(line 6236) no Hoare annotation was computed. [2021-11-17 01:54:32,491 INFO L858 garLoopResultBuilder]: For program point L6170(lines 6170 6174) no Hoare annotation was computed. [2021-11-17 01:54:32,491 INFO L861 garLoopResultBuilder]: At program point L6236(line 6236) the Hoare annotation is: true [2021-11-17 01:54:32,491 INFO L861 garLoopResultBuilder]: At program point L4981(line 4981) the Hoare annotation is: true [2021-11-17 01:54:32,491 INFO L858 garLoopResultBuilder]: For program point L4981-1(line 4981) no Hoare annotation was computed. [2021-11-17 01:54:32,491 INFO L858 garLoopResultBuilder]: For program point L6303(line 6303) no Hoare annotation was computed. [2021-11-17 01:54:32,491 INFO L861 garLoopResultBuilder]: At program point L6171(line 6171) the Hoare annotation is: true [2021-11-17 01:54:32,492 INFO L858 garLoopResultBuilder]: For program point L6171-1(line 6171) no Hoare annotation was computed. [2021-11-17 01:54:32,492 INFO L861 garLoopResultBuilder]: At program point L6237(line 6237) the Hoare annotation is: true [2021-11-17 01:54:32,492 INFO L858 garLoopResultBuilder]: For program point L4982(lines 4982 4987) no Hoare annotation was computed. [2021-11-17 01:54:32,492 INFO L861 garLoopResultBuilder]: At program point L5577(line 5577) the Hoare annotation is: true [2021-11-17 01:54:32,492 INFO L858 garLoopResultBuilder]: For program point L5577-1(line 5577) no Hoare annotation was computed. [2021-11-17 01:54:32,492 INFO L858 garLoopResultBuilder]: For program point L6304-2(line 6304) no Hoare annotation was computed. [2021-11-17 01:54:32,492 INFO L858 garLoopResultBuilder]: For program point L6304(line 6304) no Hoare annotation was computed. [2021-11-17 01:54:32,492 INFO L858 garLoopResultBuilder]: For program point L6304-5(lines 6304 6307) no Hoare annotation was computed. [2021-11-17 01:54:32,493 INFO L858 garLoopResultBuilder]: For program point L6304-3(line 6304) no Hoare annotation was computed. [2021-11-17 01:54:32,493 INFO L858 garLoopResultBuilder]: For program point L4851(line 4851) no Hoare annotation was computed. [2021-11-17 01:54:32,493 INFO L858 garLoopResultBuilder]: For program point L4851-2(line 4851) no Hoare annotation was computed. [2021-11-17 01:54:32,493 INFO L861 garLoopResultBuilder]: At program point L5578(lines 5574 5584) the Hoare annotation is: true [2021-11-17 01:54:32,493 INFO L858 garLoopResultBuilder]: For program point L5512-1(line 5512) no Hoare annotation was computed. [2021-11-17 01:54:32,493 INFO L861 garLoopResultBuilder]: At program point L5512(line 5512) the Hoare annotation is: true [2021-11-17 01:54:32,493 INFO L858 garLoopResultBuilder]: For program point L6239(line 6239) no Hoare annotation was computed. [2021-11-17 01:54:32,493 INFO L858 garLoopResultBuilder]: For program point L5248(line 5248) no Hoare annotation was computed. [2021-11-17 01:54:32,493 INFO L858 garLoopResultBuilder]: For program point L4918(lines 4918 4922) no Hoare annotation was computed. [2021-11-17 01:54:32,493 INFO L861 garLoopResultBuilder]: At program point L4720(lines 4703 4722) the Hoare annotation is: true [2021-11-17 01:54:32,493 INFO L858 garLoopResultBuilder]: For program point L5315(lines 5315 5321) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L5183(line 5183) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L6240-2(lines 6240 6243) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L6240(line 6240) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L4985-2(line 4985) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L4985(line 4985) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L6571(line 6571) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L5580(lines 5580 5583) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L6505-1(lines 6505 6506) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L861 garLoopResultBuilder]: At program point L6505(lines 6505 6506) the Hoare annotation is: true [2021-11-17 01:54:32,494 INFO L861 garLoopResultBuilder]: At program point L6175(line 6175) the Hoare annotation is: true [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L6175-1(line 6175) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L861 garLoopResultBuilder]: At program point L5581(lines 5574 5584) the Hoare annotation is: true [2021-11-17 01:54:32,494 INFO L861 garLoopResultBuilder]: At program point L6374(lines 6186 6561) the Hoare annotation is: true [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L5251(lines 5251 5254) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L5251-2(lines 5251 5254) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L6176(lines 6176 6182) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L861 garLoopResultBuilder]: At program point L4789(line 4789) the Hoare annotation is: true [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L4789-1(line 4789) no Hoare annotation was computed. [2021-11-17 01:54:32,494 INFO L858 garLoopResultBuilder]: For program point L6441(line 6441) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point L6442(lines 6442 6445) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point L6508(line 6508) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point L5517(lines 5517 5520) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L861 garLoopResultBuilder]: At program point L6310(line 6310) the Hoare annotation is: true [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point L6310-1(line 6310) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L861 garLoopResultBuilder]: At program point L4989(lines 4974 4994) the Hoare annotation is: true [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point L4857-2(lines 4857 4860) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point L4857(lines 4857 4860) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point L6509(lines 6509 6512) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point L6311(lines 6311 6315) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L861 garLoopResultBuilder]: At program point L6179(line 6179) the Hoare annotation is: true [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point L6179-1(line 6179) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point L5188(line 5188) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point buffer_offsetFINAL(lines 4298 4303) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L858 garLoopResultBuilder]: For program point buffer_offsetEXIT(lines 4298 4303) no Hoare annotation was computed. [2021-11-17 01:54:32,495 INFO L861 garLoopResultBuilder]: At program point buffer_offsetENTRY(lines 4298 4303) the Hoare annotation is: true [2021-11-17 01:54:32,495 INFO L861 garLoopResultBuilder]: At program point spin_unlock_irqENTRY(lines 7006 7013) the Hoare annotation is: true [2021-11-17 01:54:32,496 INFO L858 garLoopResultBuilder]: For program point L7009-1(line 7009) no Hoare annotation was computed. [2021-11-17 01:54:32,496 INFO L858 garLoopResultBuilder]: For program point spin_unlock_irqEXIT(lines 7006 7013) no Hoare annotation was computed. [2021-11-17 01:54:32,496 INFO L861 garLoopResultBuilder]: At program point L7009(line 7009) the Hoare annotation is: true [2021-11-17 01:54:32,496 INFO L858 garLoopResultBuilder]: For program point spin_unlock_irqFINAL(lines 7006 7013) no Hoare annotation was computed. [2021-11-17 01:54:32,496 INFO L861 garLoopResultBuilder]: At program point L7288(lines 7287 7289) the Hoare annotation is: true [2021-11-17 01:54:32,496 INFO L861 garLoopResultBuilder]: At program point L3684(lines 3680 3686) the Hoare annotation is: true [2021-11-17 01:54:32,496 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 3820 3825) no Hoare annotation was computed. [2021-11-17 01:54:32,496 INFO L861 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 3820 3825) the Hoare annotation is: true [2021-11-17 01:54:32,496 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 3820 3825) no Hoare annotation was computed. [2021-11-17 01:54:32,496 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-11-17 01:54:32,496 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-17 01:54:32,496 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-11-17 01:54:32,496 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-11-17 01:54:32,496 INFO L861 garLoopResultBuilder]: At program point L3983(lines 3979 3985) the Hoare annotation is: true [2021-11-17 01:54:32,496 INFO L861 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 3997 4003) the Hoare annotation is: true [2021-11-17 01:54:32,496 INFO L858 garLoopResultBuilder]: For program point usb_set_intfdataFINAL(lines 3997 4003) no Hoare annotation was computed. [2021-11-17 01:54:32,496 INFO L858 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 3997 4003) no Hoare annotation was computed. [2021-11-17 01:54:32,496 INFO L858 garLoopResultBuilder]: For program point kcallocEXIT(lines 7023 7030) no Hoare annotation was computed. [2021-11-17 01:54:32,497 INFO L858 garLoopResultBuilder]: For program point L7026-1(line 7026) no Hoare annotation was computed. [2021-11-17 01:54:32,497 INFO L861 garLoopResultBuilder]: At program point kcallocENTRY(lines 7023 7030) the Hoare annotation is: true [2021-11-17 01:54:32,497 INFO L861 garLoopResultBuilder]: At program point L3740(line 3740) the Hoare annotation is: true [2021-11-17 01:54:32,497 INFO L858 garLoopResultBuilder]: For program point kcallocFINAL(lines 7023 7030) no Hoare annotation was computed. [2021-11-17 01:54:32,497 INFO L861 garLoopResultBuilder]: At program point L3741(lines 3736 3743) the Hoare annotation is: true [2021-11-17 01:54:32,497 INFO L858 garLoopResultBuilder]: For program point L3740-1(line 3740) no Hoare annotation was computed. [2021-11-17 01:54:32,497 INFO L861 garLoopResultBuilder]: At program point L7026(line 7026) the Hoare annotation is: true [2021-11-17 01:54:32,497 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 3753 3755) the Hoare annotation is: true [2021-11-17 01:54:32,497 INFO L858 garLoopResultBuilder]: For program point L3754(line 3754) no Hoare annotation was computed. [2021-11-17 01:54:32,497 INFO L858 garLoopResultBuilder]: For program point L3754-2(lines 3753 3755) no Hoare annotation was computed. [2021-11-17 01:54:32,497 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 3753 3755) no Hoare annotation was computed. [2021-11-17 01:54:32,497 INFO L861 garLoopResultBuilder]: At program point usb_clear_haltENTRY(lines 7348 7350) the Hoare annotation is: true [2021-11-17 01:54:32,497 INFO L858 garLoopResultBuilder]: For program point usb_clear_haltEXIT(lines 7348 7350) no Hoare annotation was computed. [2021-11-17 01:54:32,497 INFO L858 garLoopResultBuilder]: For program point usb_clear_haltFINAL(lines 7348 7350) no Hoare annotation was computed. [2021-11-17 01:54:32,497 INFO L861 garLoopResultBuilder]: At program point L5663(lines 5635 5665) the Hoare annotation is: true [2021-11-17 01:54:32,497 INFO L858 garLoopResultBuilder]: For program point L5659(lines 5659 5662) no Hoare annotation was computed. [2021-11-17 01:54:32,497 INFO L858 garLoopResultBuilder]: For program point L5688-1(line 5688) no Hoare annotation was computed. [2021-11-17 01:54:32,497 INFO L861 garLoopResultBuilder]: At program point L5688(line 5688) the Hoare annotation is: true [2021-11-17 01:54:32,498 INFO L858 garLoopResultBuilder]: For program point L5647(lines 5647 5652) no Hoare annotation was computed. [2021-11-17 01:54:32,498 INFO L858 garLoopResultBuilder]: For program point L5680(lines 5680 5685) no Hoare annotation was computed. [2021-11-17 01:54:32,498 INFO L858 garLoopResultBuilder]: For program point L5672-1(line 5672) no Hoare annotation was computed. [2021-11-17 01:54:32,498 INFO L858 garLoopResultBuilder]: For program point L5705(lines 5705 5708) no Hoare annotation was computed. [2021-11-17 01:54:32,498 INFO L861 garLoopResultBuilder]: At program point L5672(line 5672) the Hoare annotation is: true [2021-11-17 01:54:32,498 INFO L861 garLoopResultBuilder]: At program point L5697(line 5697) the Hoare annotation is: true [2021-11-17 01:54:32,498 INFO L858 garLoopResultBuilder]: For program point L5697-1(line 5697) no Hoare annotation was computed. [2021-11-17 01:54:32,498 INFO L858 garLoopResultBuilder]: For program point L5689-2(lines 5689 5693) no Hoare annotation was computed. [2021-11-17 01:54:32,498 INFO L858 garLoopResultBuilder]: For program point L5689(lines 5689 5693) no Hoare annotation was computed. [2021-11-17 01:54:32,499 INFO L861 garLoopResultBuilder]: At program point test_haltENTRY(lines 5666 5711) the Hoare annotation is: true [2021-11-17 01:54:32,499 INFO L858 garLoopResultBuilder]: For program point test_haltEXIT(lines 5666 5711) no Hoare annotation was computed. [2021-11-17 01:54:32,499 INFO L861 garLoopResultBuilder]: At program point L5677(line 5677) the Hoare annotation is: true [2021-11-17 01:54:32,499 INFO L858 garLoopResultBuilder]: For program point L5677-1(line 5677) no Hoare annotation was computed. [2021-11-17 01:54:32,499 INFO L858 garLoopResultBuilder]: For program point L5640-1(line 5640) no Hoare annotation was computed. [2021-11-17 01:54:32,499 INFO L858 garLoopResultBuilder]: For program point L5673(lines 5673 5676) no Hoare annotation was computed. [2021-11-17 01:54:32,499 INFO L861 garLoopResultBuilder]: At program point L5640(line 5640) the Hoare annotation is: true [2021-11-17 01:54:32,499 INFO L858 garLoopResultBuilder]: For program point L5698(lines 5698 5703) no Hoare annotation was computed. [2021-11-17 01:54:32,500 INFO L858 garLoopResultBuilder]: For program point test_haltFINAL(lines 5666 5711) no Hoare annotation was computed. [2021-11-17 01:54:32,500 INFO L861 garLoopResultBuilder]: At program point L5653(line 5653) the Hoare annotation is: true [2021-11-17 01:54:32,500 INFO L858 garLoopResultBuilder]: For program point L5653-1(line 5653) no Hoare annotation was computed. [2021-11-17 01:54:32,500 INFO L861 garLoopResultBuilder]: At program point L5678(lines 5678 5679) the Hoare annotation is: true [2021-11-17 01:54:32,500 INFO L858 garLoopResultBuilder]: For program point L5678-1(lines 5678 5679) no Hoare annotation was computed. [2021-11-17 01:54:32,500 INFO L858 garLoopResultBuilder]: For program point L5641(lines 5641 5646) no Hoare annotation was computed. [2021-11-17 01:54:32,500 INFO L861 garLoopResultBuilder]: At program point L5658(line 5658) the Hoare annotation is: true [2021-11-17 01:54:32,500 INFO L858 garLoopResultBuilder]: For program point L5687(lines 5687 5696) no Hoare annotation was computed. [2021-11-17 01:54:32,501 INFO L858 garLoopResultBuilder]: For program point L5654(lines 5654 5657) no Hoare annotation was computed. [2021-11-17 01:54:32,501 INFO L858 garLoopResultBuilder]: For program point L5658-1(line 5658) no Hoare annotation was computed. [2021-11-17 01:54:32,501 INFO L858 garLoopResultBuilder]: For program point L5704-1(line 5704) no Hoare annotation was computed. [2021-11-17 01:54:32,501 INFO L861 garLoopResultBuilder]: At program point L5704(line 5704) the Hoare annotation is: true [2021-11-17 01:54:32,501 INFO L858 garLoopResultBuilder]: For program point L4251(line 4251) no Hoare annotation was computed. [2021-11-17 01:54:32,501 INFO L861 garLoopResultBuilder]: At program point L4251-2(line 4251) the Hoare annotation is: true [2021-11-17 01:54:32,501 INFO L858 garLoopResultBuilder]: For program point L4251-3(line 4251) no Hoare annotation was computed. [2021-11-17 01:54:32,501 INFO L861 garLoopResultBuilder]: At program point L4243(line 4243) the Hoare annotation is: true [2021-11-17 01:54:32,502 INFO L858 garLoopResultBuilder]: For program point L4243-1(line 4243) no Hoare annotation was computed. [2021-11-17 01:54:32,502 INFO L861 garLoopResultBuilder]: At program point L4235(line 4235) the Hoare annotation is: true [2021-11-17 01:54:32,502 INFO L858 garLoopResultBuilder]: For program point L4235-1(line 4235) no Hoare annotation was computed. [2021-11-17 01:54:32,502 INFO L858 garLoopResultBuilder]: For program point L4231(lines 4231 4236) no Hoare annotation was computed. [2021-11-17 01:54:32,502 INFO L861 garLoopResultBuilder]: At program point L7043-1(line 7043) the Hoare annotation is: true [2021-11-17 01:54:32,502 INFO L858 garLoopResultBuilder]: For program point L4227(lines 4227 4230) no Hoare annotation was computed. [2021-11-17 01:54:32,502 INFO L861 garLoopResultBuilder]: At program point L7043(line 7043) the Hoare annotation is: true [2021-11-17 01:54:32,502 INFO L858 garLoopResultBuilder]: For program point L4231-2(lines 4231 4236) no Hoare annotation was computed. [2021-11-17 01:54:32,503 INFO L861 garLoopResultBuilder]: At program point L4223(lines 4223 4224) the Hoare annotation is: true [2021-11-17 01:54:32,503 INFO L858 garLoopResultBuilder]: For program point L4223-1(lines 4223 4224) no Hoare annotation was computed. [2021-11-17 01:54:32,503 INFO L858 garLoopResultBuilder]: For program point L4227-2(lines 4227 4230) no Hoare annotation was computed. [2021-11-17 01:54:32,503 INFO L858 garLoopResultBuilder]: For program point L4219(lines 4219 4222) no Hoare annotation was computed. [2021-11-17 01:54:32,503 INFO L861 garLoopResultBuilder]: At program point usbtest_alloc_urbENTRY(lines 4213 4254) the Hoare annotation is: true [2021-11-17 01:54:32,503 INFO L861 garLoopResultBuilder]: At program point L7052-1(line 7052) the Hoare annotation is: true [2021-11-17 01:54:32,503 INFO L861 garLoopResultBuilder]: At program point L7052(line 7052) the Hoare annotation is: true [2021-11-17 01:54:32,504 INFO L858 garLoopResultBuilder]: For program point L7044(line 7044) no Hoare annotation was computed. [2021-11-17 01:54:32,504 INFO L858 garLoopResultBuilder]: For program point usbtest_alloc_urbFINAL(lines 4213 4254) no Hoare annotation was computed. [2021-11-17 01:54:32,504 INFO L858 garLoopResultBuilder]: For program point L4245(lines 4245 4248) no Hoare annotation was computed. [2021-11-17 01:54:32,504 INFO L858 garLoopResultBuilder]: For program point usbtest_alloc_urbEXIT(lines 4213 4254) no Hoare annotation was computed. [2021-11-17 01:54:32,504 INFO L858 garLoopResultBuilder]: For program point L4237(lines 4237 4241) no Hoare annotation was computed. [2021-11-17 01:54:32,504 INFO L858 garLoopResultBuilder]: For program point L7053(line 7053) no Hoare annotation was computed. [2021-11-17 01:54:32,504 INFO L861 garLoopResultBuilder]: At program point L7045(lines 7039 7047) the Hoare annotation is: true [2021-11-17 01:54:32,504 INFO L858 garLoopResultBuilder]: For program point L4225-2(line 4225) no Hoare annotation was computed. [2021-11-17 01:54:32,504 INFO L858 garLoopResultBuilder]: For program point L4225(line 4225) no Hoare annotation was computed. [2021-11-17 01:54:32,505 INFO L858 garLoopResultBuilder]: For program point L4242(lines 4242 4250) no Hoare annotation was computed. [2021-11-17 01:54:32,505 INFO L861 garLoopResultBuilder]: At program point L7054(lines 7048 7056) the Hoare annotation is: true [2021-11-17 01:54:32,505 INFO L861 garLoopResultBuilder]: At program point L4238(line 4238) the Hoare annotation is: true [2021-11-17 01:54:32,505 INFO L858 garLoopResultBuilder]: For program point L4242-1(lines 4242 4250) no Hoare annotation was computed. [2021-11-17 01:54:32,505 INFO L858 garLoopResultBuilder]: For program point L4238-1(line 4238) no Hoare annotation was computed. [2021-11-17 01:54:32,505 INFO L858 garLoopResultBuilder]: For program point L5387(lines 5387 5390) no Hoare annotation was computed. [2021-11-17 01:54:32,505 INFO L858 garLoopResultBuilder]: For program point unlink1EXIT(lines 5374 5451) no Hoare annotation was computed. [2021-11-17 01:54:32,506 INFO L861 garLoopResultBuilder]: At program point L7295(lines 7294 7296) the Hoare annotation is: true [2021-11-17 01:54:32,506 INFO L861 garLoopResultBuilder]: At program point L7097-1(line 7097) the Hoare annotation is: true [2021-11-17 01:54:32,506 INFO L861 garLoopResultBuilder]: At program point L7097(line 7097) the Hoare annotation is: true [2021-11-17 01:54:32,506 INFO L858 garLoopResultBuilder]: For program point L5429-2(lines 5405 5439) no Hoare annotation was computed. [2021-11-17 01:54:32,506 INFO L858 garLoopResultBuilder]: For program point L5429(lines 5429 5433) no Hoare annotation was computed. [2021-11-17 01:54:32,506 INFO L858 garLoopResultBuilder]: For program point L5421(line 5421) no Hoare annotation was computed. [2021-11-17 01:54:32,506 INFO L858 garLoopResultBuilder]: For program point L5446(line 5446) no Hoare annotation was computed. [2021-11-17 01:54:32,506 INFO L858 garLoopResultBuilder]: For program point L5413(lines 5413 5424) no Hoare annotation was computed. [2021-11-17 01:54:32,507 INFO L858 garLoopResultBuilder]: For program point L5446-2(line 5446) no Hoare annotation was computed. [2021-11-17 01:54:32,507 INFO L861 garLoopResultBuilder]: At program point L7329(lines 7328 7330) the Hoare annotation is: true [2021-11-17 01:54:32,507 INFO L858 garLoopResultBuilder]: For program point unlink1FINAL(lines 5374 5451) no Hoare annotation was computed. [2021-11-17 01:54:32,507 INFO L858 garLoopResultBuilder]: For program point L7098(line 7098) no Hoare annotation was computed. [2021-11-17 01:54:32,507 INFO L858 garLoopResultBuilder]: For program point L5405(lines 5405 5441) no Hoare annotation was computed. [2021-11-17 01:54:32,507 INFO L858 garLoopResultBuilder]: For program point L5414(line 5414) no Hoare annotation was computed. [2021-11-17 01:54:32,507 INFO L861 garLoopResultBuilder]: At program point unlink1ENTRY(lines 5374 5451) the Hoare annotation is: true [2021-11-17 01:54:32,507 INFO L858 garLoopResultBuilder]: For program point L5414-2(line 5414) no Hoare annotation was computed. [2021-11-17 01:54:32,508 INFO L861 garLoopResultBuilder]: At program point L7099(lines 7093 7101) the Hoare annotation is: true [2021-11-17 01:54:32,508 INFO L858 garLoopResultBuilder]: For program point L5415(line 5415) no Hoare annotation was computed. [2021-11-17 01:54:32,508 INFO L858 garLoopResultBuilder]: For program point L5448-2(line 5448) no Hoare annotation was computed. [2021-11-17 01:54:32,508 INFO L858 garLoopResultBuilder]: For program point L5448(line 5448) no Hoare annotation was computed. [2021-11-17 01:54:32,508 INFO L861 garLoopResultBuilder]: At program point L5440-1(lines 5405 5441) the Hoare annotation is: true [2021-11-17 01:54:32,508 INFO L861 garLoopResultBuilder]: At program point L5440(line 5440) the Hoare annotation is: true [2021-11-17 01:54:32,508 INFO L858 garLoopResultBuilder]: For program point L5399(lines 5399 5403) no Hoare annotation was computed. [2021-11-17 01:54:32,508 INFO L858 garLoopResultBuilder]: For program point L5408(line 5408) no Hoare annotation was computed. [2021-11-17 01:54:32,509 INFO L861 garLoopResultBuilder]: At program point L5384-1(line 5384) the Hoare annotation is: true [2021-11-17 01:54:32,509 INFO L861 garLoopResultBuilder]: At program point L5417(lines 5405 5439) the Hoare annotation is: true [2021-11-17 01:54:32,509 INFO L861 garLoopResultBuilder]: At program point L5384(line 5384) the Hoare annotation is: true [2021-11-17 01:54:32,509 INFO L858 garLoopResultBuilder]: For program point L5442(line 5442) no Hoare annotation was computed. [2021-11-17 01:54:32,509 INFO L858 garLoopResultBuilder]: For program point L5409-2(lines 5409 5412) no Hoare annotation was computed. [2021-11-17 01:54:32,509 INFO L858 garLoopResultBuilder]: For program point L5409(line 5409) no Hoare annotation was computed. [2021-11-17 01:54:32,509 INFO L858 garLoopResultBuilder]: For program point L5409-4(lines 5409 5412) no Hoare annotation was computed. [2021-11-17 01:54:32,509 INFO L858 garLoopResultBuilder]: For program point L5393-2(lines 5393 5397) no Hoare annotation was computed. [2021-11-17 01:54:32,510 INFO L858 garLoopResultBuilder]: For program point L5393(lines 5393 5397) no Hoare annotation was computed. [2021-11-17 01:54:32,510 INFO L858 garLoopResultBuilder]: For program point L5418(line 5418) no Hoare annotation was computed. [2021-11-17 01:54:32,510 INFO L858 garLoopResultBuilder]: For program point L5385(line 5385) no Hoare annotation was computed. [2021-11-17 01:54:32,510 INFO L858 garLoopResultBuilder]: For program point L5418-2(line 5418) no Hoare annotation was computed. [2021-11-17 01:54:32,510 INFO L861 garLoopResultBuilder]: At program point L5410(line 5410) the Hoare annotation is: true [2021-11-17 01:54:32,510 INFO L858 garLoopResultBuilder]: For program point L5410-1(line 5410) no Hoare annotation was computed. [2021-11-17 01:54:32,510 INFO L861 garLoopResultBuilder]: At program point L5435(lines 5405 5439) the Hoare annotation is: true [2021-11-17 01:54:32,510 INFO L861 garLoopResultBuilder]: At program point L5394(line 5394) the Hoare annotation is: true [2021-11-17 01:54:32,511 INFO L858 garLoopResultBuilder]: For program point L5394-1(line 5394) no Hoare annotation was computed. [2021-11-17 01:54:32,511 INFO L858 garLoopResultBuilder]: For program point L5419(line 5419) no Hoare annotation was computed. [2021-11-17 01:54:32,511 INFO L861 garLoopResultBuilder]: At program point L5386(line 5386) the Hoare annotation is: true [2021-11-17 01:54:32,511 INFO L858 garLoopResultBuilder]: For program point L5386-1(line 5386) no Hoare annotation was computed. [2021-11-17 01:54:32,511 INFO L858 garLoopResultBuilder]: For program point L5444-1(lines 5382 5450) no Hoare annotation was computed. [2021-11-17 01:54:32,511 INFO L861 garLoopResultBuilder]: At program point L5444(line 5444) the Hoare annotation is: true [2021-11-17 01:54:32,511 INFO L858 garLoopResultBuilder]: For program point L6722-1(line 6722) no Hoare annotation was computed. [2021-11-17 01:54:32,511 INFO L861 garLoopResultBuilder]: At program point L6723-2(lines 6723 6726) the Hoare annotation is: true [2021-11-17 01:54:32,512 INFO L858 garLoopResultBuilder]: For program point L6715-1(line 6715) no Hoare annotation was computed. [2021-11-17 01:54:32,512 INFO L861 garLoopResultBuilder]: At program point L6715(line 6715) the Hoare annotation is: true [2021-11-17 01:54:32,512 INFO L858 garLoopResultBuilder]: For program point usbtest_disconnectEXIT(lines 6706 6730) no Hoare annotation was computed. [2021-11-17 01:54:32,512 INFO L858 garLoopResultBuilder]: For program point L6713-1(line 6713) no Hoare annotation was computed. [2021-11-17 01:54:32,512 INFO L861 garLoopResultBuilder]: At program point L6713(line 6713) the Hoare annotation is: true [2021-11-17 01:54:32,512 INFO L861 garLoopResultBuilder]: At program point usbtest_disconnectENTRY(lines 6706 6730) the Hoare annotation is: true [2021-11-17 01:54:32,512 INFO L858 garLoopResultBuilder]: For program point L6727(line 6727) no Hoare annotation was computed. [2021-11-17 01:54:32,512 INFO L861 garLoopResultBuilder]: At program point L6722(line 6722) the Hoare annotation is: true [2021-11-17 01:54:32,513 INFO L858 garLoopResultBuilder]: For program point L6723(lines 6723 6726) no Hoare annotation was computed. [2021-11-17 01:54:32,513 INFO L858 garLoopResultBuilder]: For program point usbtest_disconnectFINAL(lines 6706 6730) no Hoare annotation was computed. [2021-11-17 01:54:32,513 INFO L858 garLoopResultBuilder]: For program point L4317(lines 4317 4322) no Hoare annotation was computed. [2021-11-17 01:54:32,513 INFO L858 garLoopResultBuilder]: For program point L4312-1(line 4312) no Hoare annotation was computed. [2021-11-17 01:54:32,513 INFO L861 garLoopResultBuilder]: At program point L4312(line 4312) the Hoare annotation is: true [2021-11-17 01:54:32,513 INFO L858 garLoopResultBuilder]: For program point check_guard_bytesFINAL(lines 4304 4332) no Hoare annotation was computed. [2021-11-17 01:54:32,513 INFO L858 garLoopResultBuilder]: For program point check_guard_bytesEXIT(lines 4304 4332) no Hoare annotation was computed. [2021-11-17 01:54:32,513 INFO L861 garLoopResultBuilder]: At program point L4327(lines 4310 4331) the Hoare annotation is: true [2021-11-17 01:54:32,514 INFO L861 garLoopResultBuilder]: At program point check_guard_bytesENTRY(lines 4304 4332) the Hoare annotation is: true [2021-11-17 01:54:32,514 INFO L861 garLoopResultBuilder]: At program point L4325(lines 4310 4331) the Hoare annotation is: true [2021-11-17 01:54:32,514 INFO L858 garLoopResultBuilder]: For program point interface_to_usbdevFINAL(lines 4004 4011) no Hoare annotation was computed. [2021-11-17 01:54:32,514 INFO L861 garLoopResultBuilder]: At program point interface_to_usbdevENTRY(lines 4004 4011) the Hoare annotation is: true [2021-11-17 01:54:32,514 INFO L858 garLoopResultBuilder]: For program point interface_to_usbdevEXIT(lines 4004 4011) no Hoare annotation was computed. [2021-11-17 01:54:32,514 INFO L861 garLoopResultBuilder]: At program point L5857-1(lines 5857 5861) the Hoare annotation is: true [2021-11-17 01:54:32,514 INFO L861 garLoopResultBuilder]: At program point L5853(lines 5766 5864) the Hoare annotation is: true [2021-11-17 01:54:32,515 INFO L861 garLoopResultBuilder]: At program point L5779(line 5779) the Hoare annotation is: true [2021-11-17 01:54:32,515 INFO L858 garLoopResultBuilder]: For program point L5779-1(line 5779) no Hoare annotation was computed. [2021-11-17 01:54:32,515 INFO L858 garLoopResultBuilder]: For program point L5812(lines 5812 5822) no Hoare annotation was computed. [2021-11-17 01:54:32,515 INFO L858 garLoopResultBuilder]: For program point L5862(line 5862) no Hoare annotation was computed. [2021-11-17 01:54:32,515 INFO L858 garLoopResultBuilder]: For program point L5800(lines 5800 5805) no Hoare annotation was computed. [2021-11-17 01:54:32,515 INFO L858 garLoopResultBuilder]: For program point L5796-1(lines 5796 5797) no Hoare annotation was computed. [2021-11-17 01:54:32,515 INFO L861 garLoopResultBuilder]: At program point L5796(lines 5796 5797) the Hoare annotation is: true [2021-11-17 01:54:32,515 INFO L861 garLoopResultBuilder]: At program point L5792(lines 5766 5864) the Hoare annotation is: true [2021-11-17 01:54:32,516 INFO L858 garLoopResultBuilder]: For program point L5846(lines 5846 5849) no Hoare annotation was computed. [2021-11-17 01:54:32,516 INFO L858 garLoopResultBuilder]: For program point L5846-2(lines 5846 5849) no Hoare annotation was computed. [2021-11-17 01:54:32,516 INFO L861 garLoopResultBuilder]: At program point L5809(line 5809) the Hoare annotation is: true [2021-11-17 01:54:32,516 INFO L858 garLoopResultBuilder]: For program point L5809-1(line 5809) no Hoare annotation was computed. [2021-11-17 01:54:32,516 INFO L858 garLoopResultBuilder]: For program point L5772-1(line 5772) no Hoare annotation was computed. [2021-11-17 01:54:32,516 INFO L861 garLoopResultBuilder]: At program point L5834(lines 5766 5864) the Hoare annotation is: true [2021-11-17 01:54:32,516 INFO L861 garLoopResultBuilder]: At program point L5772(line 5772) the Hoare annotation is: true [2021-11-17 01:54:32,516 INFO L858 garLoopResultBuilder]: For program point L5768(lines 5768 5771) no Hoare annotation was computed. [2021-11-17 01:54:32,517 INFO L858 garLoopResultBuilder]: For program point L5826(lines 5826 5832) no Hoare annotation was computed. [2021-11-17 01:54:32,517 INFO L861 garLoopResultBuilder]: At program point L5851(lines 5766 5864) the Hoare annotation is: true [2021-11-17 01:54:32,517 INFO L858 garLoopResultBuilder]: For program point ctrl_outEXIT(lines 5753 5865) no Hoare annotation was computed. [2021-11-17 01:54:32,517 INFO L858 garLoopResultBuilder]: For program point L5814(lines 5814 5819) no Hoare annotation was computed. [2021-11-17 01:54:32,517 INFO L861 garLoopResultBuilder]: At program point L5810(lines 5810 5811) the Hoare annotation is: true [2021-11-17 01:54:32,517 INFO L861 garLoopResultBuilder]: At program point L5839(lines 5766 5864) the Hoare annotation is: true [2021-11-17 01:54:32,517 INFO L858 garLoopResultBuilder]: For program point L5810-1(lines 5810 5811) no Hoare annotation was computed. [2021-11-17 01:54:32,517 INFO L858 garLoopResultBuilder]: For program point L5798(lines 5798 5808) no Hoare annotation was computed. [2021-11-17 01:54:32,518 INFO L861 garLoopResultBuilder]: At program point L5790(lines 5766 5864) the Hoare annotation is: true [2021-11-17 01:54:32,518 INFO L858 garLoopResultBuilder]: For program point ctrl_outFINAL(lines 5753 5865) no Hoare annotation was computed. [2021-11-17 01:54:32,518 INFO L861 garLoopResultBuilder]: At program point L5856(lines 5766 5864) the Hoare annotation is: true [2021-11-17 01:54:32,518 INFO L861 garLoopResultBuilder]: At program point ctrl_outENTRY(lines 5753 5865) the Hoare annotation is: true [2021-11-17 01:54:32,518 INFO L858 garLoopResultBuilder]: For program point L5774(lines 5774 5777) no Hoare annotation was computed. [2021-11-17 01:54:32,518 INFO L861 garLoopResultBuilder]: At program point L5836(lines 5766 5864) the Hoare annotation is: true [2021-11-17 01:54:32,518 INFO L861 garLoopResultBuilder]: At program point L5795(line 5795) the Hoare annotation is: true [2021-11-17 01:54:32,518 INFO L858 garLoopResultBuilder]: For program point L5795-1(line 5795) no Hoare annotation was computed. [2021-11-17 01:54:32,519 INFO L858 garLoopResultBuilder]: For program point L7345-1(line 7345) no Hoare annotation was computed. [2021-11-17 01:54:32,519 INFO L861 garLoopResultBuilder]: At program point usb_alloc_urbENTRY(lines 7344 7346) the Hoare annotation is: true [2021-11-17 01:54:32,519 INFO L861 garLoopResultBuilder]: At program point L7345(line 7345) the Hoare annotation is: true [2021-11-17 01:54:32,519 INFO L858 garLoopResultBuilder]: For program point usb_alloc_urbFINAL(lines 7344 7346) no Hoare annotation was computed. [2021-11-17 01:54:32,519 INFO L858 garLoopResultBuilder]: For program point usb_alloc_urbEXIT(lines 7344 7346) no Hoare annotation was computed. [2021-11-17 01:54:32,519 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-17 01:54:32,519 INFO L858 garLoopResultBuilder]: For program point L3785-1(line 3785) no Hoare annotation was computed. [2021-11-17 01:54:32,519 INFO L861 garLoopResultBuilder]: At program point L3785(line 3785) the Hoare annotation is: true [2021-11-17 01:54:32,520 INFO L858 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 3773 3789) no Hoare annotation was computed. [2021-11-17 01:54:32,520 INFO L858 garLoopResultBuilder]: For program point L3780(lines 3780 3787) no Hoare annotation was computed. [2021-11-17 01:54:32,520 INFO L861 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 3773 3789) the Hoare annotation is: true [2021-11-17 01:54:32,520 INFO L858 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 3773 3789) no Hoare annotation was computed. [2021-11-17 01:54:32,520 INFO L858 garLoopResultBuilder]: For program point L6939(lines 6939 6970) no Hoare annotation was computed. [2021-11-17 01:54:32,520 INFO L858 garLoopResultBuilder]: For program point L6972(line 6972) no Hoare annotation was computed. [2021-11-17 01:54:32,520 INFO L858 garLoopResultBuilder]: For program point L4132(lines 4132 4135) no Hoare annotation was computed. [2021-11-17 01:54:32,520 INFO L854 garLoopResultBuilder]: At program point L4165(lines 4100 4204) the Hoare annotation is: false [2021-11-17 01:54:32,521 INFO L861 garLoopResultBuilder]: At program point L6973(line 6973) the Hoare annotation is: true [2021-11-17 01:54:32,521 INFO L858 garLoopResultBuilder]: For program point L6676-2(lines 6676 6679) no Hoare annotation was computed. [2021-11-17 01:54:32,521 INFO L858 garLoopResultBuilder]: For program point L6676(lines 6676 6679) no Hoare annotation was computed. [2021-11-17 01:54:32,521 INFO L854 garLoopResultBuilder]: At program point L4199(line 4199) the Hoare annotation is: false [2021-11-17 01:54:32,521 INFO L858 garLoopResultBuilder]: For program point L4199-1(line 4199) no Hoare annotation was computed. [2021-11-17 01:54:32,521 INFO L858 garLoopResultBuilder]: For program point L6875(line 6875) no Hoare annotation was computed. [2021-11-17 01:54:32,521 INFO L858 garLoopResultBuilder]: For program point L6941(lines 6941 6967) no Hoare annotation was computed. [2021-11-17 01:54:32,521 INFO L858 garLoopResultBuilder]: For program point L6611(line 6611) no Hoare annotation was computed. [2021-11-17 01:54:32,522 INFO L854 garLoopResultBuilder]: At program point L4167(lines 4100 4204) the Hoare annotation is: false [2021-11-17 01:54:32,522 INFO L858 garLoopResultBuilder]: For program point L6942(line 6942) no Hoare annotation was computed. [2021-11-17 01:54:32,522 INFO L854 garLoopResultBuilder]: At program point L6975(lines 6845 6980) the Hoare annotation is: (let ((.cse0 (= ~ldv_spin~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~ldv_state_variable_1~0) .cse0) (and (= (_ bv0 32) ~ldv_state_variable_1~0) .cse0))) [2021-11-17 01:54:32,522 INFO L858 garLoopResultBuilder]: For program point L6876-2(lines 6863 6933) no Hoare annotation was computed. [2021-11-17 01:54:32,522 INFO L858 garLoopResultBuilder]: For program point L6876(lines 6876 6881) no Hoare annotation was computed. [2021-11-17 01:54:32,522 INFO L858 garLoopResultBuilder]: For program point L6909(line 6909) no Hoare annotation was computed. [2021-11-17 01:54:32,522 INFO L858 garLoopResultBuilder]: For program point L4168(lines 4168 4171) no Hoare annotation was computed. [2021-11-17 01:54:32,523 INFO L858 garLoopResultBuilder]: For program point L6910(lines 6910 6914) no Hoare annotation was computed. [2021-11-17 01:54:32,523 INFO L858 garLoopResultBuilder]: For program point L6943(lines 6943 6948) no Hoare annotation was computed. [2021-11-17 01:54:32,523 INFO L858 garLoopResultBuilder]: For program point L6877-1(line 6877) no Hoare annotation was computed. [2021-11-17 01:54:32,523 INFO L858 garLoopResultBuilder]: For program point L6910-2(lines 6863 6933) no Hoare annotation was computed. [2021-11-17 01:54:32,523 INFO L854 garLoopResultBuilder]: At program point L6877(line 6877) the Hoare annotation is: false [2021-11-17 01:54:32,523 INFO L858 garLoopResultBuilder]: For program point L6646(line 6646) no Hoare annotation was computed. [2021-11-17 01:54:32,523 INFO L858 garLoopResultBuilder]: For program point L6646-2(lines 6646 6667) no Hoare annotation was computed. [2021-11-17 01:54:32,523 INFO L858 garLoopResultBuilder]: For program point L6613(lines 6613 6616) no Hoare annotation was computed. [2021-11-17 01:54:32,524 INFO L854 garLoopResultBuilder]: At program point L4169(lines 4100 4204) the Hoare annotation is: false [2021-11-17 01:54:32,524 INFO L858 garLoopResultBuilder]: For program point L6911-1(line 6911) no Hoare annotation was computed. [2021-11-17 01:54:32,524 INFO L854 garLoopResultBuilder]: At program point L6911(line 6911) the Hoare annotation is: false [2021-11-17 01:54:32,524 INFO L854 garLoopResultBuilder]: At program point L6680-2(lines 6632 6684) the Hoare annotation is: false [2021-11-17 01:54:32,524 INFO L858 garLoopResultBuilder]: For program point L6680(lines 6680 6683) no Hoare annotation was computed. [2021-11-17 01:54:32,524 INFO L854 garLoopResultBuilder]: At program point L4203(lines 4082 4205) the Hoare annotation is: false [2021-11-17 01:54:32,524 INFO L858 garLoopResultBuilder]: For program point L4137(lines 4137 4140) no Hoare annotation was computed. [2021-11-17 01:54:32,524 INFO L854 garLoopResultBuilder]: At program point L7176(lines 7165 7178) the Hoare annotation is: (and (= (_ bv1 32) ~ldv_state_variable_1~0) (= ~ldv_spin~0 (_ bv0 32))) [2021-11-17 01:54:32,525 INFO L861 garLoopResultBuilder]: At program point L6813(lines 6809 6815) the Hoare annotation is: true [2021-11-17 01:54:32,525 INFO L858 garLoopResultBuilder]: For program point L6648(lines 6648 6655) no Hoare annotation was computed. [2021-11-17 01:54:32,525 INFO L861 garLoopResultBuilder]: At program point L6979(lines 6833 6981) the Hoare annotation is: true [2021-11-17 01:54:32,525 INFO L858 garLoopResultBuilder]: For program point L6848-1(line 6848) no Hoare annotation was computed. [2021-11-17 01:54:32,525 INFO L854 garLoopResultBuilder]: At program point L6848(line 6848) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~ldv_spin~0 (_ bv0 32))) [2021-11-17 01:54:32,525 INFO L854 garLoopResultBuilder]: At program point L7377(lines 7376 7378) the Hoare annotation is: (= ~ldv_spin~0 (_ bv0 32)) [2021-11-17 01:54:32,525 INFO L858 garLoopResultBuilder]: For program point L6651-1(line 6651) no Hoare annotation was computed. [2021-11-17 01:54:32,525 INFO L854 garLoopResultBuilder]: At program point L6651(line 6651) the Hoare annotation is: false [2021-11-17 01:54:32,526 INFO L858 garLoopResultBuilder]: For program point L4174(line 4174) no Hoare annotation was computed. [2021-11-17 01:54:32,526 INFO L861 garLoopResultBuilder]: At program point L7312(lines 7311 7313) the Hoare annotation is: true [2021-11-17 01:54:32,526 INFO L854 garLoopResultBuilder]: At program point L6850(line 6850) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~ldv_spin~0 (_ bv0 32))) [2021-11-17 01:54:32,526 INFO L858 garLoopResultBuilder]: For program point L6883-1(line 6883) no Hoare annotation was computed. [2021-11-17 01:54:32,526 INFO L854 garLoopResultBuilder]: At program point L6883(line 6883) the Hoare annotation is: false [2021-11-17 01:54:32,526 INFO L858 garLoopResultBuilder]: For program point L6916-1(line 6916) no Hoare annotation was computed. [2021-11-17 01:54:32,526 INFO L854 garLoopResultBuilder]: At program point L6916(line 6916) the Hoare annotation is: false [2021-11-17 01:54:32,527 INFO L858 garLoopResultBuilder]: For program point L6850-1(line 6850) no Hoare annotation was computed. [2021-11-17 01:54:32,527 INFO L858 garLoopResultBuilder]: For program point L6652-1(line 6652) no Hoare annotation was computed. [2021-11-17 01:54:32,527 INFO L854 garLoopResultBuilder]: At program point L6652(line 6652) the Hoare annotation is: false [2021-11-17 01:54:32,527 INFO L858 garLoopResultBuilder]: For program point L6685(line 6685) no Hoare annotation was computed. [2021-11-17 01:54:32,527 INFO L858 garLoopResultBuilder]: For program point L4109(line 4109) no Hoare annotation was computed. [2021-11-17 01:54:32,527 INFO L858 garLoopResultBuilder]: For program point L4109-2(lines 4109 4112) no Hoare annotation was computed. [2021-11-17 01:54:32,527 INFO L858 garLoopResultBuilder]: For program point L6950(line 6950) no Hoare annotation was computed. [2021-11-17 01:54:32,527 INFO L858 garLoopResultBuilder]: For program point L4176(lines 4176 4183) no Hoare annotation was computed. [2021-11-17 01:54:32,528 INFO L858 garLoopResultBuilder]: For program point L4176-2(lines 4100 4204) no Hoare annotation was computed. [2021-11-17 01:54:32,528 INFO L858 garLoopResultBuilder]: For program point L4143(line 4143) no Hoare annotation was computed. [2021-11-17 01:54:32,528 INFO L858 garLoopResultBuilder]: For program point L6951(lines 6951 6963) no Hoare annotation was computed. [2021-11-17 01:54:32,528 INFO L858 garLoopResultBuilder]: For program point L6621-1(line 6621) no Hoare annotation was computed. [2021-11-17 01:54:32,528 INFO L854 garLoopResultBuilder]: At program point L6621(line 6621) the Hoare annotation is: false [2021-11-17 01:54:32,528 INFO L854 garLoopResultBuilder]: At program point L7315(lines 7314 7316) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~ldv_spin~0 (_ bv0 32))) [2021-11-17 01:54:32,528 INFO L858 garLoopResultBuilder]: For program point L4144(lines 4144 4153) no Hoare annotation was computed. [2021-11-17 01:54:32,528 INFO L858 garLoopResultBuilder]: For program point L4177-1(line 4177) no Hoare annotation was computed. [2021-11-17 01:54:32,529 INFO L854 garLoopResultBuilder]: At program point L4177(line 4177) the Hoare annotation is: false [2021-11-17 01:54:32,529 INFO L858 garLoopResultBuilder]: For program point L6853-1(line 6853) no Hoare annotation was computed. [2021-11-17 01:54:32,529 INFO L854 garLoopResultBuilder]: At program point L6853(line 6853) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~ldv_spin~0 (_ bv0 32))) [2021-11-17 01:54:32,529 INFO L858 garLoopResultBuilder]: For program point L4178(lines 4178 4181) no Hoare annotation was computed. [2021-11-17 01:54:32,529 INFO L858 garLoopResultBuilder]: For program point L4145(lines 4145 4148) no Hoare annotation was computed. [2021-11-17 01:54:32,529 INFO L861 garLoopResultBuilder]: At program point L7184(lines 7179 7186) the Hoare annotation is: true [2021-11-17 01:54:32,529 INFO L858 garLoopResultBuilder]: For program point L6953-2(lines 6951 6962) no Hoare annotation was computed. [2021-11-17 01:54:32,529 INFO L858 garLoopResultBuilder]: For program point L6953(lines 6953 6956) no Hoare annotation was computed. [2021-11-17 01:54:32,530 INFO L858 garLoopResultBuilder]: For program point L6623(lines 6623 6627) no Hoare annotation was computed. [2021-11-17 01:54:32,530 INFO L858 garLoopResultBuilder]: For program point L6689-2(line 6689) no Hoare annotation was computed. [2021-11-17 01:54:32,530 INFO L858 garLoopResultBuilder]: For program point L6689(line 6689) no Hoare annotation was computed. [2021-11-17 01:54:32,530 INFO L858 garLoopResultBuilder]: For program point L6921(line 6921) no Hoare annotation was computed. [2021-11-17 01:54:32,530 INFO L858 garLoopResultBuilder]: For program point L6690(line 6690) no Hoare annotation was computed. [2021-11-17 01:54:32,530 INFO L858 garLoopResultBuilder]: For program point L6624-1(line 6624) no Hoare annotation was computed. [2021-11-17 01:54:32,530 INFO L858 garLoopResultBuilder]: For program point L6657-2(lines 6657 6661) no Hoare annotation was computed. [2021-11-17 01:54:32,530 INFO L854 garLoopResultBuilder]: At program point L6624(line 6624) the Hoare annotation is: false [2021-11-17 01:54:32,531 INFO L858 garLoopResultBuilder]: For program point L6690-2(line 6690) no Hoare annotation was computed. [2021-11-17 01:54:32,531 INFO L858 garLoopResultBuilder]: For program point L6657(lines 6657 6661) no Hoare annotation was computed. [2021-11-17 01:54:32,531 INFO L858 garLoopResultBuilder]: For program point L6922(lines 6922 6929) no Hoare annotation was computed. [2021-11-17 01:54:32,531 INFO L858 garLoopResultBuilder]: For program point L6790(lines 6790 6804) no Hoare annotation was computed. [2021-11-17 01:54:32,531 INFO L858 garLoopResultBuilder]: For program point L6889(line 6889) no Hoare annotation was computed. [2021-11-17 01:54:32,531 INFO L854 garLoopResultBuilder]: At program point L6658(line 6658) the Hoare annotation is: false [2021-11-17 01:54:32,531 INFO L854 garLoopResultBuilder]: At program point L6691(lines 6578 6693) the Hoare annotation is: (and (not (= |ULTIMATE.start_usbtest_probe_#res#1| (_ bv0 32))) (= (_ bv1 32) ~ldv_state_variable_1~0) (= ~ldv_spin~0 (_ bv0 32))) [2021-11-17 01:54:32,531 INFO L858 garLoopResultBuilder]: For program point L6790-1(lines 6790 6804) no Hoare annotation was computed. [2021-11-17 01:54:32,532 INFO L858 garLoopResultBuilder]: For program point L6658-1(line 6658) no Hoare annotation was computed. [2021-11-17 01:54:32,532 INFO L854 garLoopResultBuilder]: At program point L7319(lines 7318 7320) the Hoare annotation is: false [2021-11-17 01:54:32,532 INFO L858 garLoopResultBuilder]: For program point L6890(lines 6890 6897) no Hoare annotation was computed. [2021-11-17 01:54:32,532 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-17 01:54:32,532 INFO L858 garLoopResultBuilder]: For program point L6924(lines 6924 6927) no Hoare annotation was computed. [2021-11-17 01:54:32,532 INFO L858 garLoopResultBuilder]: For program point L4150(lines 4150 4153) no Hoare annotation was computed. [2021-11-17 01:54:32,532 INFO L854 garLoopResultBuilder]: At program point L4150-2(lines 4100 4204) the Hoare annotation is: false [2021-11-17 01:54:32,532 INFO L858 garLoopResultBuilder]: For program point L6859(lines 6859 6974) no Hoare annotation was computed. [2021-11-17 01:54:32,533 INFO L858 garLoopResultBuilder]: For program point L6892(lines 6892 6895) no Hoare annotation was computed. [2021-11-17 01:54:32,533 INFO L858 garLoopResultBuilder]: For program point L4118(lines 4118 4128) no Hoare annotation was computed. [2021-11-17 01:54:32,533 INFO L858 garLoopResultBuilder]: For program point L4184-1(lines 4100 4204) no Hoare annotation was computed. [2021-11-17 01:54:32,533 INFO L861 garLoopResultBuilder]: At program point L6959(lines 6845 6980) the Hoare annotation is: true [2021-11-17 01:54:32,533 INFO L858 garLoopResultBuilder]: For program point L6860(line 6860) no Hoare annotation was computed. [2021-11-17 01:54:32,533 INFO L858 garLoopResultBuilder]: For program point L6662(lines 6662 6666) no Hoare annotation was computed. [2021-11-17 01:54:32,533 INFO L858 garLoopResultBuilder]: For program point L6662-2(lines 6646 6667) no Hoare annotation was computed. [2021-11-17 01:54:32,533 INFO L861 garLoopResultBuilder]: At program point L7356(lines 7355 7357) the Hoare annotation is: true [2021-11-17 01:54:32,534 INFO L858 garLoopResultBuilder]: For program point L4185-1(line 4185) no Hoare annotation was computed. [2021-11-17 01:54:32,534 INFO L854 garLoopResultBuilder]: At program point L4185(line 4185) the Hoare annotation is: false [2021-11-17 01:54:32,534 INFO L858 garLoopResultBuilder]: For program point L4119(line 4119) no Hoare annotation was computed. [2021-11-17 01:54:32,534 INFO L858 garLoopResultBuilder]: For program point L6828-1(line 6828) no Hoare annotation was computed. [2021-11-17 01:54:32,534 INFO L854 garLoopResultBuilder]: At program point L6828(line 6828) the Hoare annotation is: (and (= (_ bv1 32) ~ldv_state_variable_1~0) (= ~ldv_spin~0 (_ bv0 32))) [2021-11-17 01:54:32,534 INFO L858 garLoopResultBuilder]: For program point L6861(lines 6861 6936) no Hoare annotation was computed. [2021-11-17 01:54:32,534 INFO L858 garLoopResultBuilder]: For program point L6663-1(line 6663) no Hoare annotation was computed. [2021-11-17 01:54:32,534 INFO L854 garLoopResultBuilder]: At program point L6663(line 6663) the Hoare annotation is: false [2021-11-17 01:54:32,535 INFO L858 garLoopResultBuilder]: For program point L6597-1(line 6597) no Hoare annotation was computed. [2021-11-17 01:54:32,535 INFO L854 garLoopResultBuilder]: At program point L6597(line 6597) the Hoare annotation is: (and (= (_ bv1 32) ~ldv_state_variable_1~0) (= ~ldv_spin~0 (_ bv0 32))) [2021-11-17 01:54:32,535 INFO L858 garLoopResultBuilder]: For program point L6598(lines 6598 6610) no Hoare annotation was computed. [2021-11-17 01:54:32,535 INFO L854 garLoopResultBuilder]: At program point L6697(lines 6694 6699) the Hoare annotation is: false [2021-11-17 01:54:32,535 INFO L854 garLoopResultBuilder]: At program point L6598-2(lines 6598 6610) the Hoare annotation is: (and (= (_ bv1 32) ~ldv_state_variable_1~0) (= ~ldv_spin~0 (_ bv0 32))) [2021-11-17 01:54:32,535 INFO L858 garLoopResultBuilder]: For program point L7391-1(line 7391) no Hoare annotation was computed. [2021-11-17 01:54:32,535 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-17 01:54:32,536 INFO L854 garLoopResultBuilder]: At program point L7391(line 7391) the Hoare annotation is: false [2021-11-17 01:54:32,536 INFO L858 garLoopResultBuilder]: For program point L4187-1(line 4187) no Hoare annotation was computed. [2021-11-17 01:54:32,536 INFO L854 garLoopResultBuilder]: At program point L4187(line 4187) the Hoare annotation is: false [2021-11-17 01:54:32,536 INFO L854 garLoopResultBuilder]: At program point L7391-2(lines 7390 7392) the Hoare annotation is: false [2021-11-17 01:54:32,536 INFO L858 garLoopResultBuilder]: For program point L4121(line 4121) no Hoare annotation was computed. [2021-11-17 01:54:32,536 INFO L858 garLoopResultBuilder]: For program point L4121-2(line 4121) no Hoare annotation was computed. [2021-11-17 01:54:32,536 INFO L854 garLoopResultBuilder]: At program point L3956(lines 3953 3958) the Hoare annotation is: false [2021-11-17 01:54:32,536 INFO L854 garLoopResultBuilder]: At program point L6830(lines 6824 6832) the Hoare annotation is: (and (= (_ bv1 32) ~ldv_state_variable_1~0) (= ~ldv_spin~0 (_ bv0 32))) [2021-11-17 01:54:32,537 INFO L858 garLoopResultBuilder]: For program point L6863(lines 6863 6933) no Hoare annotation was computed. [2021-11-17 01:54:32,537 INFO L858 garLoopResultBuilder]: For program point L6797-1(line 6797) no Hoare annotation was computed. [2021-11-17 01:54:32,537 INFO L854 garLoopResultBuilder]: At program point L6797(line 6797) the Hoare annotation is: (let ((.cse0 (= ~ldv_spin~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~ldv_state_variable_1~0) .cse0) (and (= (_ bv0 32) ~ldv_state_variable_1~0) .cse0))) [2021-11-17 01:54:32,537 INFO L858 garLoopResultBuilder]: For program point L6632-2(lines 6632 6684) no Hoare annotation was computed. [2021-11-17 01:54:32,537 INFO L858 garLoopResultBuilder]: For program point L6599(line 6599) no Hoare annotation was computed. [2021-11-17 01:54:32,537 INFO L858 garLoopResultBuilder]: For program point L6632(line 6632) no Hoare annotation was computed. [2021-11-17 01:54:32,537 INFO L858 garLoopResultBuilder]: For program point L6599-2(lines 6599 6602) no Hoare annotation was computed. [2021-11-17 01:54:32,537 INFO L858 garLoopResultBuilder]: For program point L4122(lines 4122 4125) no Hoare annotation was computed. [2021-11-17 01:54:32,538 INFO L858 garLoopResultBuilder]: For program point L6798(lines 6798 6802) no Hoare annotation was computed. [2021-11-17 01:54:32,538 INFO L858 garLoopResultBuilder]: For program point L6864(line 6864) no Hoare annotation was computed. [2021-11-17 01:54:32,538 INFO L858 garLoopResultBuilder]: For program point L6633-2(lines 6633 6638) no Hoare annotation was computed. [2021-11-17 01:54:32,538 INFO L858 garLoopResultBuilder]: For program point L6633(lines 6633 6638) no Hoare annotation was computed. [2021-11-17 01:54:32,538 INFO L854 garLoopResultBuilder]: At program point L4156(lines 4100 4204) the Hoare annotation is: false [2021-11-17 01:54:32,538 INFO L854 garLoopResultBuilder]: At program point L7261(lines 7260 7262) the Hoare annotation is: false [2021-11-17 01:54:32,538 INFO L854 garLoopResultBuilder]: At program point L4123(lines 4100 4204) the Hoare annotation is: false [2021-11-17 01:54:32,539 INFO L858 garLoopResultBuilder]: For program point L6931(line 6931) no Hoare annotation was computed. [2021-11-17 01:54:32,539 INFO L858 garLoopResultBuilder]: For program point L6865(lines 6865 6873) no Hoare annotation was computed. [2021-11-17 01:54:32,539 INFO L854 garLoopResultBuilder]: At program point L6634(line 6634) the Hoare annotation is: false [2021-11-17 01:54:32,539 INFO L858 garLoopResultBuilder]: For program point L6634-1(line 6634) no Hoare annotation was computed. [2021-11-17 01:54:32,539 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-17 01:54:32,539 INFO L858 garLoopResultBuilder]: For program point L4157(lines 4157 4160) no Hoare annotation was computed. [2021-11-17 01:54:32,539 INFO L858 garLoopResultBuilder]: For program point L6899(line 6899) no Hoare annotation was computed. [2021-11-17 01:54:32,539 INFO L861 garLoopResultBuilder]: At program point L6932(line 6932) the Hoare annotation is: true [2021-11-17 01:54:32,539 INFO L858 garLoopResultBuilder]: For program point L6965(line 6965) no Hoare annotation was computed. [2021-11-17 01:54:32,540 INFO L858 garLoopResultBuilder]: For program point L6668-2(lines 6668 6671) no Hoare annotation was computed. [2021-11-17 01:54:32,540 INFO L858 garLoopResultBuilder]: For program point L6668(lines 6668 6671) no Hoare annotation was computed. [2021-11-17 01:54:32,540 INFO L854 garLoopResultBuilder]: At program point L4158(lines 4100 4204) the Hoare annotation is: false [2021-11-17 01:54:32,540 INFO L858 garLoopResultBuilder]: For program point L4191-1(lines 4100 4204) no Hoare annotation was computed. [2021-11-17 01:54:32,540 INFO L861 garLoopResultBuilder]: At program point L6966(line 6966) the Hoare annotation is: true [2021-11-17 01:54:32,540 INFO L858 garLoopResultBuilder]: For program point L6867(lines 6867 6871) no Hoare annotation was computed. [2021-11-17 01:54:32,540 INFO L858 garLoopResultBuilder]: For program point L6900(lines 6900 6907) no Hoare annotation was computed. [2021-11-17 01:54:32,540 INFO L858 garLoopResultBuilder]: For program point L6603(line 6603) no Hoare annotation was computed. [2021-11-17 01:54:32,541 INFO L858 garLoopResultBuilder]: For program point L6603-2(lines 6603 6606) no Hoare annotation was computed. [2021-11-17 01:54:32,541 INFO L858 garLoopResultBuilder]: For program point L4126(line 4126) no Hoare annotation was computed. [2021-11-17 01:54:32,541 INFO L854 garLoopResultBuilder]: At program point L6703(lines 6700 6705) the Hoare annotation is: false [2021-11-17 01:54:32,541 INFO L858 garLoopResultBuilder]: For program point L4193-1(line 4193) no Hoare annotation was computed. [2021-11-17 01:54:32,541 INFO L854 garLoopResultBuilder]: At program point L4193(line 4193) the Hoare annotation is: false [2021-11-17 01:54:32,541 INFO L858 garLoopResultBuilder]: For program point L6902(lines 6902 6905) no Hoare annotation was computed. [2021-11-17 01:54:32,541 INFO L858 garLoopResultBuilder]: For program point L4161(lines 4161 4164) no Hoare annotation was computed. [2021-11-17 01:54:32,541 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-17 01:54:32,542 INFO L858 garLoopResultBuilder]: For program point L6672-2(lines 6672 6675) no Hoare annotation was computed. [2021-11-17 01:54:32,542 INFO L858 garLoopResultBuilder]: For program point L6639(lines 6639 6644) no Hoare annotation was computed. [2021-11-17 01:54:32,542 INFO L858 garLoopResultBuilder]: For program point L6672(lines 6672 6675) no Hoare annotation was computed. [2021-11-17 01:54:32,542 INFO L854 garLoopResultBuilder]: At program point L4162(lines 4100 4204) the Hoare annotation is: false [2021-11-17 01:54:32,542 INFO L854 garLoopResultBuilder]: At program point L4129(lines 4100 4204) the Hoare annotation is: false [2021-11-17 01:54:32,542 INFO L858 garLoopResultBuilder]: For program point L6640-1(line 6640) no Hoare annotation was computed. [2021-11-17 01:54:32,542 INFO L854 garLoopResultBuilder]: At program point L6640(line 6640) the Hoare annotation is: false [2021-11-17 01:54:32,542 INFO L858 garLoopResultBuilder]: For program point L4130(line 4130) no Hoare annotation was computed. [2021-11-17 01:54:32,543 INFO L858 garLoopResultBuilder]: For program point L6938(line 6938) no Hoare annotation was computed. [2021-11-17 01:54:32,543 INFO L854 garLoopResultBuilder]: At program point L6806(lines 6784 6808) the Hoare annotation is: (and (= (_ bv1 32) ~ldv_state_variable_1~0) (= ~ldv_spin~0 (_ bv0 32))) [2021-11-17 01:54:32,543 INFO L858 garLoopResultBuilder]: For program point L4197-1(lines 4197 4202) no Hoare annotation was computed. [2021-11-17 01:54:32,543 INFO L858 garLoopResultBuilder]: For program point L4131(lines 4131 4140) no Hoare annotation was computed. [2021-11-17 01:54:32,543 INFO L861 garLoopResultBuilder]: At program point spinlock_checkENTRY(lines 3650 3655) the Hoare annotation is: true [2021-11-17 01:54:32,543 INFO L858 garLoopResultBuilder]: For program point spinlock_checkEXIT(lines 3650 3655) no Hoare annotation was computed. [2021-11-17 01:54:32,543 INFO L858 garLoopResultBuilder]: For program point spinlock_checkFINAL(lines 3650 3655) no Hoare annotation was computed. [2021-11-17 01:54:32,544 INFO L858 garLoopResultBuilder]: For program point completeFINAL(lines 7290 7292) no Hoare annotation was computed. [2021-11-17 01:54:32,544 INFO L858 garLoopResultBuilder]: For program point completeEXIT(lines 7290 7292) no Hoare annotation was computed. [2021-11-17 01:54:32,544 INFO L861 garLoopResultBuilder]: At program point completeENTRY(lines 7290 7292) the Hoare annotation is: true [2021-11-17 01:54:32,544 INFO L858 garLoopResultBuilder]: For program point usb_get_statusEXIT(lines 7369 7371) no Hoare annotation was computed. [2021-11-17 01:54:32,544 INFO L861 garLoopResultBuilder]: At program point usb_get_statusENTRY(lines 7369 7371) the Hoare annotation is: true [2021-11-17 01:54:32,544 INFO L858 garLoopResultBuilder]: For program point usb_get_statusFINAL(lines 7369 7371) no Hoare annotation was computed. [2021-11-17 01:54:32,544 INFO L858 garLoopResultBuilder]: For program point usb_get_descriptorFINAL(lines 7365 7367) no Hoare annotation was computed. [2021-11-17 01:54:32,544 INFO L858 garLoopResultBuilder]: For program point usb_get_descriptorEXIT(lines 7365 7367) no Hoare annotation was computed. [2021-11-17 01:54:32,545 INFO L861 garLoopResultBuilder]: At program point usb_get_descriptorENTRY(lines 7365 7367) the Hoare annotation is: true [2021-11-17 01:54:32,547 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2021-11-17 01:54:32,549 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-17 01:54:32,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 01:54:32 BoogieIcfgContainer [2021-11-17 01:54:32,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-17 01:54:32,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-17 01:54:32,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-17 01:54:32,564 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-17 01:54:32,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:54:12" (3/4) ... [2021-11-17 01:54:32,567 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-17 01:54:32,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_good_config [2021-11-17 01:54:32,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sg_page [2021-11-17 01:54:32,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __raw_spin_lock_init [2021-11-17 01:54:32,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2021-11-17 01:54:32,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_intfdata [2021-11-17 01:54:32,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2021-11-17 01:54:32,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion [2021-11-17 01:54:32,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_sglist [2021-11-17 01:54:32,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_unlink_urb [2021-11-17 01:54:32,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc_array [2021-11-17 01:54:32,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_iso_queue [2021-11-17 01:54:32,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_check_buf [2021-11-17 01:54:32,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2021-11-17 01:54:32,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_coherent [2021-11-17 01:54:32,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irq [2021-11-17 01:54:32,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure testdev_to_usbdev [2021-11-17 01:54:32,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_alloc_coherent [2021-11-17 01:54:32,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_interface [2021-11-17 01:54:32,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure perform_sglist [2021-11-17 01:54:32,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure unlink_simple [2021-11-17 01:54:32,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_control_msg [2021-11-17 01:54:32,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_unaligned_bulk [2021-11-17 01:54:32,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_dec_and_test [2021-11-17 01:54:32,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2021-11-17 01:54:32,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2021-11-17 01:54:32,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_sglist [2021-11-17 01:54:32,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2021-11-17 01:54:32,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2021-11-17 01:54:32,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-17 01:54:32,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_maxp [2021-11-17 01:54:32,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_io [2021-11-17 01:54:32,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_kill_urb [2021-11-17 01:54:32,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2021-11-17 01:54:32,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_alloc_urb [2021-11-17 01:54:32,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2021-11-17 01:54:32,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_free_urb [2021-11-17 01:54:32,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure set_altsetting [2021-11-17 01:54:32,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2021-11-17 01:54:32,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_fill_buf [2021-11-17 01:54:32,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2021-11-17 01:54:32,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_bulk_urb [2021-11-17 01:54:32,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-17 01:54:32,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure do_gettimeofday [2021-11-17 01:54:32,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2021-11-17 01:54:32,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure verify_not_halted [2021-11-17 01:54:32,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2021-11-17 01:54:32,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_dir_in [2021-11-17 01:54:32,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbtest_ioctl [2021-11-17 01:54:32,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure buffer_offset [2021-11-17 01:54:32,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irq [2021-11-17 01:54:32,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2021-11-17 01:54:32,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-11-17 01:54:32,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2021-11-17 01:54:32,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kcalloc [2021-11-17 01:54:32,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-17 01:54:32,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_clear_halt [2021-11-17 01:54:32,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_halt [2021-11-17 01:54:32,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbtest_alloc_urb [2021-11-17 01:54:32,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure unlink1 [2021-11-17 01:54:32,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbtest_disconnect [2021-11-17 01:54:32,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure check_guard_bytes [2021-11-17 01:54:32,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure interface_to_usbdev [2021-11-17 01:54:32,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ctrl_out [2021-11-17 01:54:32,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_alloc_urb [2021-11-17 01:54:32,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-11-17 01:54:32,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2021-11-17 01:54:32,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure complete [2021-11-17 01:54:32,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_status [2021-11-17 01:54:32,582 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_descriptor [2021-11-17 01:54:32,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 453 nodes and edges [2021-11-17 01:54:32,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 148 nodes and edges [2021-11-17 01:54:32,639 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-11-17 01:54:32,645 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-17 01:54:32,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-17 01:54:32,651 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-17 01:54:32,653 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-17 01:54:32,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-17 01:54:32,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\result == 0bv32) && 1bv32 == ldv_state_variable_1) && ldv_spin == 0bv32 [2021-11-17 01:54:32,973 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-17 01:54:32,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-17 01:54:32,974 INFO L158 Benchmark]: Toolchain (without parser) took 33382.55ms. Allocated memory was 54.5MB in the beginning and 385.9MB in the end (delta: 331.4MB). Free memory was 33.5MB in the beginning and 221.9MB in the end (delta: -188.4MB). Peak memory consumption was 299.6MB. Max. memory is 16.1GB. [2021-11-17 01:54:32,974 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-17 01:54:32,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1680.84ms. Allocated memory was 54.5MB in the beginning and 109.1MB in the end (delta: 54.5MB). Free memory was 33.2MB in the beginning and 44.6MB in the end (delta: -11.4MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2021-11-17 01:54:32,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.08ms. Allocated memory is still 109.1MB. Free memory was 44.6MB in the beginning and 45.3MB in the end (delta: -676.3kB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-17 01:54:32,975 INFO L158 Benchmark]: Boogie Preprocessor took 232.78ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 45.3MB in the beginning and 89.9MB in the end (delta: -44.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-11-17 01:54:32,975 INFO L158 Benchmark]: RCFGBuilder took 10442.94ms. Allocated memory was 163.6MB in the beginning and 320.9MB in the end (delta: 157.3MB). Free memory was 89.9MB in the beginning and 201.4MB in the end (delta: -111.5MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2021-11-17 01:54:32,975 INFO L158 Benchmark]: TraceAbstraction took 20410.36ms. Allocated memory was 320.9MB in the beginning and 385.9MB in the end (delta: 65.0MB). Free memory was 201.4MB in the beginning and 159.7MB in the end (delta: 41.7MB). Peak memory consumption was 191.6MB. Max. memory is 16.1GB. [2021-11-17 01:54:32,976 INFO L158 Benchmark]: Witness Printer took 409.05ms. Allocated memory is still 385.9MB. Free memory was 159.7MB in the beginning and 221.9MB in the end (delta: -62.1MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2021-11-17 01:54:32,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1680.84ms. Allocated memory was 54.5MB in the beginning and 109.1MB in the end (delta: 54.5MB). Free memory was 33.2MB in the beginning and 44.6MB in the end (delta: -11.4MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.08ms. Allocated memory is still 109.1MB. Free memory was 44.6MB in the beginning and 45.3MB in the end (delta: -676.3kB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 232.78ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 45.3MB in the beginning and 89.9MB in the end (delta: -44.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * RCFGBuilder took 10442.94ms. Allocated memory was 163.6MB in the beginning and 320.9MB in the end (delta: 157.3MB). Free memory was 89.9MB in the beginning and 201.4MB in the end (delta: -111.5MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. * TraceAbstraction took 20410.36ms. Allocated memory was 320.9MB in the beginning and 385.9MB in the end (delta: 65.0MB). Free memory was 201.4MB in the beginning and 159.7MB in the end (delta: 41.7MB). Peak memory consumption was 191.6MB. Max. memory is 16.1GB. * Witness Printer took 409.05ms. Allocated memory is still 385.9MB. Free memory was 159.7MB in the beginning and 221.9MB in the end (delta: -62.1MB). Peak memory consumption was 95.1MB. 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: 3810]: 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 70 procedures, 1326 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.3s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4849 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4847 mSDsluCounter, 37648 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25503 mSDsCounter, 133 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 930 IncrementalHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 133 mSolverCounterUnsat, 12145 mSDtfsCounter, 930 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1522 GetRequests, 1484 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2653occurred in iteration=6, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 504 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 492 LocationsWithAnnotation, 9753 PreInvPairs, 9900 NumberOfFragments, 600 HoareAnnotationTreeSize, 9753 FomulaSimplifications, 326 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 492 FomulaSimplificationsInter, 1669 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 761 NumberOfCodeBlocks, 751 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1508 ConstructedInterpolants, 0 QuantifiedInterpolants, 1924 SizeOfPredicates, 7 NumberOfNonLiveVariables, 7556 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 382/388 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: 4411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4974]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3629]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6578]: Loop Invariant Derived loop invariant: (!(\result == 0bv32) && 1bv32 == ldv_state_variable_1) && ldv_spin == 0bv32 - InvariantResult [Line: 3736]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7093]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6824]: Loop Invariant Derived loop invariant: 1bv32 == ldv_state_variable_1 && ldv_spin == 0bv32 - InvariantResult [Line: 7390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4274]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6845]: Loop Invariant Derived loop invariant: (1bv32 == ldv_state_variable_1 && ldv_spin == 0bv32) || (0bv32 == ldv_state_variable_1 && ldv_spin == 0bv32) - InvariantResult [Line: 5999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7387]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4479]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7376]: Loop Invariant Derived loop invariant: ldv_spin == 0bv32 - InvariantResult [Line: 6833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5924]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7328]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5712]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4082]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3715]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6809]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6784]: Loop Invariant Derived loop invariant: 1bv32 == ldv_state_variable_1 && ldv_spin == 0bv32 - InvariantResult [Line: 5137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3942]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7165]: Loop Invariant Derived loop invariant: 1bv32 == ldv_state_variable_1 && ldv_spin == 0bv32 - InvariantResult [Line: 4479]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7338]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3664]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4974]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4274]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4539]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5719]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7048]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7314]: Loop Invariant Derived loop invariant: 0bv32 == ldv_state_variable_1 && ldv_spin == 0bv32 - InvariantResult [Line: 7405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4479]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7057]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3916]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7039]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4539]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5935]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5935]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3680]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-17 01:54:33,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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