./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 30733f200dc8370f05e0b3b892e3f5dfad9349a4937c910381098403fe8691aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:19,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:19,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:02:19,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:19,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:19,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:19,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:19,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:19,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:19,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:19,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:19,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:19,487 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:19,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:19,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:19,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:19,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:19,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:19,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:19,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:19,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:19,493 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:19,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:19,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:19,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:19,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:19,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:19,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:19,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:19,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:19,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:19,499 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:19,499 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:19,500 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:19,500 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:19,500 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:19,501 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30733f200dc8370f05e0b3b892e3f5dfad9349a4937c910381098403fe8691aa [2023-11-19 08:02:19,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:19,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:19,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:19,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:19,848 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:19,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2023-11-19 08:02:22,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:23,721 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:23,722 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2023-11-19 08:02:23,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/data/b9a5e647b/0713a1698b22490e9fafd978138a90f7/FLAG5d7ab7ef0 [2023-11-19 08:02:23,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/data/b9a5e647b/0713a1698b22490e9fafd978138a90f7 [2023-11-19 08:02:23,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:23,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:23,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:23,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:23,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:23,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586c6d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23, skipping insertion in model container [2023-11-19 08:02:23,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:24,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:26,149 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i[400138,400151] [2023-11-19 08:02:26,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:26,348 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:26,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4108] [2023-11-19 08:02:26,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4239] [2023-11-19 08:02:26,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4242] [2023-11-19 08:02:26,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4245] [2023-11-19 08:02:26,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4248] [2023-11-19 08:02:26,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [4270] [2023-11-19 08:02:26,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [4277] [2023-11-19 08:02:26,925 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i[400138,400151] [2023-11-19 08:02:26,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:27,047 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:27,055 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:27,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27 WrapperNode [2023-11-19 08:02:27,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:27,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:27,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:27,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:27,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ... [2023-11-19 08:02:27,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ... [2023-11-19 08:02:27,664 INFO L138 Inliner]: procedures = 204, calls = 6200, calls flagged for inlining = 78, calls inlined = 75, statements flattened = 10845 [2023-11-19 08:02:27,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:27,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:27,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:27,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:27,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ... [2023-11-19 08:02:27,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ... [2023-11-19 08:02:27,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ... [2023-11-19 08:02:27,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ... [2023-11-19 08:02:28,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ... [2023-11-19 08:02:28,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ... [2023-11-19 08:02:28,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ... [2023-11-19 08:02:28,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ... [2023-11-19 08:02:28,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:28,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:28,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:28,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:28,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ... [2023-11-19 08:02:28,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:28,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:28,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:28,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00945e3e-0586-4396-84f4-1297adbffa2b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 08:02:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 08:02:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure edge_ioctl [2023-11-19 08:02:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_ioctl [2023-11-19 08:02:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write_room [2023-11-19 08:02:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write_room [2023-11-19 08:02:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:02:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:02:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:02:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:02:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:02:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:02:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure edge_disconnect [2023-11-19 08:02:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_disconnect [2023-11-19 08:02:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure send_iosp_ext_cmd [2023-11-19 08:02:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure send_iosp_ext_cmd [2023-11-19 08:02:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_in_callback [2023-11-19 08:02:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_in_callback [2023-11-19 08:02:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure edge_break [2023-11-19 08:02:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_break [2023-11-19 08:02:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2023-11-19 08:02:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2023-11-19 08:02:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 08:02:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 08:02:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 08:02:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 08:02:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:02:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:02:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 08:02:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 08:02:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2023-11-19 08:02:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2023-11-19 08:02:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2023-11-19 08:02:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2023-11-19 08:02:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure edge_set_termios [2023-11-19 08:02:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_set_termios [2023-11-19 08:02:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 08:02:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 08:02:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:02:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:02:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-19 08:02:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-19 08:02:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_lsr [2023-11-19 08:02:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_lsr [2023-11-19 08:02:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 08:02:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 08:02:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 08:02:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 08:02:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:02:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:02:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmget [2023-11-19 08:02:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmget [2023-11-19 08:02:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-19 08:02:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-19 08:02:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure unicode_to_ascii [2023-11-19 08:02:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure unicode_to_ascii [2023-11-19 08:02:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 08:02:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 08:02:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2023-11-19 08:02:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2023-11-19 08:02:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure edge_throttle [2023-11-19 08:02:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_throttle [2023-11-19 08:02:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:02:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2023-11-19 08:02:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2023-11-19 08:02:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_msr [2023-11-19 08:02:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_msr [2023-11-19 08:02:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:02:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 08:02:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 08:02:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:02:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:02:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:02:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:02:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure edge_unthrottle [2023-11-19 08:02:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_unthrottle [2023-11-19 08:02:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure edge_interrupt_callback [2023-11-19 08:02:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_interrupt_callback [2023-11-19 08:02:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 08:02:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 08:02:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure change_port_settings [2023-11-19 08:02:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure change_port_settings [2023-11-19 08:02:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure edge_open [2023-11-19 08:02:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_open [2023-11-19 08:02:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 08:02:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 08:02:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 08:02:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 08:02:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure dump_product_info [2023-11-19 08:02:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_product_info [2023-11-19 08:02:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 08:02:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 08:02:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-19 08:02:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-19 08:02:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_out_data_callback [2023-11-19 08:02:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_out_data_callback [2023-11-19 08:02:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:02:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 08:02:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 08:02:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:02:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure edge_release [2023-11-19 08:02:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_release [2023-11-19 08:02:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tty_recv [2023-11-19 08:02:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tty_recv [2023-11-19 08:02:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure send_more_port_data [2023-11-19 08:02:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure send_more_port_data [2023-11-19 08:02:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure edge_close [2023-11-19 08:02:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_close [2023-11-19 08:02:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:02:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 08:02:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 08:02:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure edge_chars_in_buffer [2023-11-19 08:02:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_chars_in_buffer [2023-11-19 08:02:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2023-11-19 08:02:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2023-11-19 08:02:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:02:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:02:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure rom_read [2023-11-19 08:02:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_read [2023-11-19 08:02:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 08:02:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 08:02:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 08:02:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 08:02:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 08:02:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 08:02:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-19 08:02:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-19 08:02:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 08:02:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 08:02:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure process_rcvd_status [2023-11-19 08:02:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rcvd_status [2023-11-19 08:02:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:02:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 08:02:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 08:02:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 08:02:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 08:02:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure send_cmd_write_uart_register [2023-11-19 08:02:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cmd_write_uart_register [2023-11-19 08:02:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmset [2023-11-19 08:02:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmset [2023-11-19 08:02:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:02:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:02:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2023-11-19 08:02:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2023-11-19 08:02:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 08:02:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 08:02:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:02:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 08:02:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 08:02:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure edge_startup [2023-11-19 08:02:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_startup [2023-11-19 08:02:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:02:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 08:02:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-19 08:02:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-19 08:02:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 08:02:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 08:02:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 08:02:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 08:02:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 08:02:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 08:02:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_remove [2023-11-19 08:02:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_remove [2023-11-19 08:02:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd_usb [2023-11-19 08:02:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd_usb [2023-11-19 08:02:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure block_until_chase_response [2023-11-19 08:02:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure block_until_chase_response [2023-11-19 08:02:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-19 08:02:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-19 08:02:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 08:02:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 08:02:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write [2023-11-19 08:02:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write [2023-11-19 08:02:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 08:02:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 08:02:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-19 08:02:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-19 08:02:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:02:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2023-11-19 08:02:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2023-11-19 08:02:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2023-11-19 08:02:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2023-11-19 08:02:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_probe [2023-11-19 08:02:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_probe [2023-11-19 08:02:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-19 08:02:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-19 08:02:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:29,334 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:29,338 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:30,560 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:02:50,409 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:50,436 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:50,437 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:02:50,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:50 BoogieIcfgContainer [2023-11-19 08:02:50,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:50,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:50,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:50,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:50,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:23" (1/3) ... [2023-11-19 08:02:50,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694515a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:50, skipping insertion in model container [2023-11-19 08:02:50,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (2/3) ... [2023-11-19 08:02:50,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694515a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:50, skipping insertion in model container [2023-11-19 08:02:50,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:50" (3/3) ... [2023-11-19 08:02:50,464 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2023-11-19 08:02:50,484 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:50,485 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:02:50,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:50,606 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7548c7f6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:50,606 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:02:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 3289 states, 2300 states have (on average 1.4339130434782608) internal successors, (3298), 2399 states have internal predecessors, (3298), 902 states have call successors, (902), 86 states have call predecessors, (902), 85 states have return successors, (896), 882 states have call predecessors, (896), 896 states have call successors, (896) [2023-11-19 08:02:50,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2023-11-19 08:02:50,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:50,687 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:50,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:50,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:50,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1684760771, now seen corresponding path program 1 times [2023-11-19 08:02:50,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:50,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743226896] [2023-11-19 08:02:50,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:50,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:02:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:02:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:02:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:02:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 08:02:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 08:02:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 08:02:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 08:02:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 08:02:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 08:02:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 08:02:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-19 08:02:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-19 08:02:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-19 08:02:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-19 08:02:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-19 08:02:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-19 08:02:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-19 08:02:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-19 08:02:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-11-19 08:02:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-19 08:02:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-19 08:02:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-19 08:02:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-19 08:02:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-11-19 08:02:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-11-19 08:02:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-11-19 08:02:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-19 08:02:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-11-19 08:02:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-19 08:02:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2023-11-19 08:02:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2023-11-19 08:02:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2023-11-19 08:02:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-11-19 08:02:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-11-19 08:02:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2023-11-19 08:02:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2023-11-19 08:02:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2023-11-19 08:02:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2023-11-19 08:02:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-11-19 08:02:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4326 trivial. 0 not checked. [2023-11-19 08:02:57,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:57,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743226896] [2023-11-19 08:02:57,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743226896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:57,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:57,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:57,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662405567] [2023-11-19 08:02:57,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:57,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:02:57,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:57,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:02:57,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:57,444 INFO L87 Difference]: Start difference. First operand has 3289 states, 2300 states have (on average 1.4339130434782608) internal successors, (3298), 2399 states have internal predecessors, (3298), 902 states have call successors, (902), 86 states have call predecessors, (902), 85 states have return successors, (896), 882 states have call predecessors, (896), 896 states have call successors, (896) Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43)