./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU --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 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:20,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:20,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:01:20,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:20,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:20,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:20,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:20,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:20,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:20,786 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:20,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:20,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:20,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:20,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:20,790 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:20,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:20,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:01:20,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:20,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:20,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:01:20,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:20,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:01:20,797 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:20,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:20,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:20,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:20,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:20,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:01:20,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:20,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:20,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:20,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:20,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:01:20,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:20,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:01:20,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:20,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:20,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:20,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:20,815 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_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a [2024-10-31 22:01:21,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:21,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:21,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:21,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:21,199 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:21,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i Unable to find full path for "g++" [2024-10-31 22:01:23,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:24,133 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:24,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-10-31 22:01:24,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/data/2e1b11d11/3be736ccdea6418693de717e590d8ebd/FLAG8a22f0175 [2024-10-31 22:01:24,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/data/2e1b11d11/3be736ccdea6418693de717e590d8ebd [2024-10-31 22:01:24,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:24,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:24,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:24,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:24,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:24,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:24" (1/1) ... [2024-10-31 22:01:24,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a9ffcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:24, skipping insertion in model container [2024-10-31 22:01:24,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:24" (1/1) ... [2024-10-31 22:01:24,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:25,861 WARN L251 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_b8e54569-6059-4e82-a6b1-7cafa151e87b/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-10-31 22:01:25,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:25,973 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:26,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4831-4837] [2024-10-31 22:01:26,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4844-4850] [2024-10-31 22:01:26,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %2,%1\n\t" "sbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4857-4864] [2024-10-31 22:01:26,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "incl %0": "+m" (v->counter)); [4894-4900] [2024-10-31 22:01:26,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "decl %0": "+m" (v->counter)); [4907-4913] [2024-10-31 22:01:26,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/work/current--X--drivers/net/can/usb/ems_usb.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/68_1/drivers/net/can/usb/ems_usb.c.common.c"), "i" (510), "i" (sizeof(struct bug_entry ))); [5717-5723] [2024-10-31 22:01:26,446 WARN L251 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_b8e54569-6059-4e82-a6b1-7cafa151e87b/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-10-31 22:01:26,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:26,684 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:26,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26 WrapperNode [2024-10-31 22:01:26,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:26,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:26,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:26,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:26,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:26,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:26,870 INFO L138 Inliner]: procedures = 132, calls = 778, calls flagged for inlining = 54, calls inlined = 44, statements flattened = 1708 [2024-10-31 22:01:26,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:26,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:26,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:26,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:26,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:26,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:26,909 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:27,142 INFO L175 MemorySlicer]: Split 342 memory accesses to 8 slices as follows [2, 3, 8, 8, 8, 261, 10, 42]. 76 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [2, 0, 8, 8, 8, 8, 0, 0]. The 214 writes are split as follows [0, 0, 0, 0, 0, 172, 0, 42]. [2024-10-31 22:01:27,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:27,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:27,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:27,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:27,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:27,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:27,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:27,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:27,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:27,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:27,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (1/1) ... [2024-10-31 22:01:27,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:27,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:27,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:27,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e54569-6059-4e82-a6b1-7cafa151e87b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-10-31 22:01:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-10-31 22:01:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2024-10-31 22:01:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2024-10-31 22:01:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:01:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:01:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:01:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:01:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:01:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:01:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:01:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:01:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-10-31 22:01:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-10-31 22:01:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-31 22:01:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-31 22:01:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-31 22:01:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-31 22:01:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-31 22:01:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-31 22:01:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-31 22:01:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-31 22:01:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:01:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:01:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:01:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:01:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:01:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:01:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:01:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:01:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:01:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:01:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:01:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:01:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:01:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:01:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:01:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:01:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-10-31 22:01:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-10-31 22:01:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2024-10-31 22:01:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2024-10-31 22:01:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-31 22:01:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-31 22:01:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:01:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:01:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2024-10-31 22:01:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2024-10-31 22:01:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-10-31 22:01:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-10-31 22:01:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-31 22:01:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-31 22:01:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-10-31 22:01:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-10-31 22:01:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:01:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:01:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:01:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:01:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:01:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:01:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:01:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:01:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-10-31 22:01:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-10-31 22:01:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-10-31 22:01:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-10-31 22:01:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-10-31 22:01:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-10-31 22:01:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-31 22:01:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-31 22:01:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2024-10-31 22:01:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2024-10-31 22:01:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:01:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2024-10-31 22:01:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2024-10-31 22:01:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:01:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-31 22:01:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-31 22:01:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:01:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:01:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:01:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:01:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:01:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:01:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:01:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:01:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:01:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2024-10-31 22:01:27,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2024-10-31 22:01:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-10-31 22:01:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-10-31 22:01:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-10-31 22:01:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-10-31 22:01:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:01:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:01:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:01:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:01:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:01:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:01:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:01:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:01:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-10-31 22:01:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-10-31 22:01:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-10-31 22:01:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-10-31 22:01:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-10-31 22:01:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-10-31 22:01:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-10-31 22:01:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-10-31 22:01:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:01:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:01:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:01:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-31 22:01:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-31 22:01:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-31 22:01:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-31 22:01:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-10-31 22:01:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-10-31 22:01:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-31 22:01:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-31 22:01:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-10-31 22:01:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-10-31 22:01:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-10-31 22:01:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-10-31 22:01:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-31 22:01:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-31 22:01:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-10-31 22:01:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-10-31 22:01:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-10-31 22:01:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-10-31 22:01:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-10-31 22:01:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-10-31 22:01:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:01:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:01:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:01:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:01:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:01:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:01:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:01:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:01:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-10-31 22:01:27,374 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-10-31 22:01:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-10-31 22:01:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-10-31 22:01:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-31 22:01:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-31 22:01:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-31 22:01:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-31 22:01:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-31 22:01:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-31 22:01:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-31 22:01:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-31 22:01:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:27,915 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:27,920 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:01:28,284 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-10-31 22:01:28,691 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-31 22:01:36,724 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2024-10-31 22:01:36,726 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2024-10-31 22:01:36,943 INFO L? ?]: Removed 601 outVars from TransFormulas that were not future-live. [2024-10-31 22:01:36,943 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:01:36,973 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:01:36,973 INFO L316 CfgBuilder]: Removed 13 assume(true) statements. [2024-10-31 22:01:36,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:36 BoogieIcfgContainer [2024-10-31 22:01:36,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:01:36,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:01:36,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:01:36,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:01:36,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:24" (1/3) ... [2024-10-31 22:01:36,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d92cf70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:36, skipping insertion in model container [2024-10-31 22:01:36,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:26" (2/3) ... [2024-10-31 22:01:36,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d92cf70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:36, skipping insertion in model container [2024-10-31 22:01:36,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:36" (3/3) ... [2024-10-31 22:01:36,983 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-10-31 22:01:37,002 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:01:37,002 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:01:37,109 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:01:37,121 INFO L333 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, 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;@69e4b716, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:01:37,122 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:01:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 521 states, 370 states have (on average 1.3432432432432433) internal successors, (497), 382 states have internal predecessors, (497), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-31 22:01:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-31 22:01:37,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:37,139 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:37,140 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:37,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:37,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1540023497, now seen corresponding path program 1 times [2024-10-31 22:01:37,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:37,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043354923] [2024-10-31 22:01:37,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:37,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:42,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:01:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:42,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:01:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:42,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:42,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:42,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043354923] [2024-10-31 22:01:42,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043354923] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:42,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:42,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:42,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058178770] [2024-10-31 22:01:42,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:42,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:01:42,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:42,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:01:42,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:42,581 INFO L87 Difference]: Start difference. First operand has 521 states, 370 states have (on average 1.3432432432432433) internal successors, (497), 382 states have internal predecessors, (497), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:01:42,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:42,857 INFO L93 Difference]: Finished difference Result 1026 states and 1440 transitions. [2024-10-31 22:01:42,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:01:42,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-10-31 22:01:42,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:42,881 INFO L225 Difference]: With dead ends: 1026 [2024-10-31 22:01:42,881 INFO L226 Difference]: Without dead ends: 514 [2024-10-31 22:01:42,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:42,897 INFO L432 NwaCegarLoop]: 676 mSDtfsCounter, 0 mSDsluCounter, 2021 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2697 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 [2024-10-31 22:01:42,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2697 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:01:42,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-10-31 22:01:43,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2024-10-31 22:01:43,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 366 states have (on average 1.2459016393442623) internal successors, (456), 374 states have internal predecessors, (456), 110 states have call successors, (110), 37 states have call predecessors, (110), 37 states have return successors, (107), 105 states have call predecessors, (107), 106 states have call successors, (107) [2024-10-31 22:01:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 673 transitions. [2024-10-31 22:01:43,017 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 673 transitions. Word has length 21 [2024-10-31 22:01:43,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:43,021 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 673 transitions. [2024-10-31 22:01:43,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:01:43,022 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 673 transitions. [2024-10-31 22:01:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-31 22:01:43,023 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:43,024 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:43,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:01:43,024 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:43,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:43,025 INFO L85 PathProgramCache]: Analyzing trace with hash -942975973, now seen corresponding path program 1 times [2024-10-31 22:01:43,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:43,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772164491] [2024-10-31 22:01:43,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:43,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:47,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:01:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:47,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:01:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:47,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:01:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 22:01:47,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:47,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772164491] [2024-10-31 22:01:47,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772164491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:47,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:47,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:01:47,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425119083] [2024-10-31 22:01:47,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:47,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:47,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:47,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:47,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:47,189 INFO L87 Difference]: Start difference. First operand 514 states and 673 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:01:47,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:47,350 INFO L93 Difference]: Finished difference Result 1498 states and 1976 transitions. [2024-10-31 22:01:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:47,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2024-10-31 22:01:47,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:47,363 INFO L225 Difference]: With dead ends: 1498 [2024-10-31 22:01:47,364 INFO L226 Difference]: Without dead ends: 1004 [2024-10-31 22:01:47,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:47,368 INFO L432 NwaCegarLoop]: 742 mSDtfsCounter, 657 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:47,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1383 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:01:47,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2024-10-31 22:01:47,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1000. [2024-10-31 22:01:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 714 states have (on average 1.246498599439776) internal successors, (890), 726 states have internal predecessors, (890), 213 states have call successors, (213), 72 states have call predecessors, (213), 72 states have return successors, (213), 206 states have call predecessors, (213), 209 states have call successors, (213) [2024-10-31 22:01:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1316 transitions. [2024-10-31 22:01:47,441 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1316 transitions. Word has length 26 [2024-10-31 22:01:47,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:47,445 INFO L471 AbstractCegarLoop]: Abstraction has 1000 states and 1316 transitions. [2024-10-31 22:01:47,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:01:47,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1316 transitions. [2024-10-31 22:01:47,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-31 22:01:47,446 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:47,446 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-31 22:01:47,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:01:47,447 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:47,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:47,447 INFO L85 PathProgramCache]: Analyzing trace with hash 832270623, now seen corresponding path program 1 times [2024-10-31 22:01:47,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:47,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751218337] [2024-10-31 22:01:47,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:47,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:50,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:01:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:50,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:01:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:50,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:01:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 22:01:50,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:50,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751218337] [2024-10-31 22:01:50,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751218337] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:50,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:50,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:01:50,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304961711] [2024-10-31 22:01:50,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:50,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:50,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:50,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:50,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:50,870 INFO L87 Difference]: Start difference. First operand 1000 states and 1316 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:01:51,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:51,008 INFO L93 Difference]: Finished difference Result 2957 states and 3907 transitions. [2024-10-31 22:01:51,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:51,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-10-31 22:01:51,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:51,029 INFO L225 Difference]: With dead ends: 2957 [2024-10-31 22:01:51,029 INFO L226 Difference]: Without dead ends: 1969 [2024-10-31 22:01:51,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:51,036 INFO L432 NwaCegarLoop]: 687 mSDtfsCounter, 656 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:51,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 1331 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:01:51,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2024-10-31 22:01:51,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1958. [2024-10-31 22:01:51,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1958 states, 1399 states have (on average 1.2444603288062903) internal successors, (1741), 1418 states have internal predecessors, (1741), 418 states have call successors, (418), 141 states have call predecessors, (418), 140 states have return successors, (424), 406 states have call predecessors, (424), 414 states have call successors, (424) [2024-10-31 22:01:51,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1958 states and 2583 transitions. [2024-10-31 22:01:51,165 INFO L78 Accepts]: Start accepts. Automaton has 1958 states and 2583 transitions. Word has length 27 [2024-10-31 22:01:51,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:51,166 INFO L471 AbstractCegarLoop]: Abstraction has 1958 states and 2583 transitions. [2024-10-31 22:01:51,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:01:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2583 transitions. [2024-10-31 22:01:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-31 22:01:51,175 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:51,175 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-31 22:01:51,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:01:51,175 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:51,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:51,176 INFO L85 PathProgramCache]: Analyzing trace with hash -863698126, now seen corresponding path program 1 times [2024-10-31 22:01:51,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:51,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916485960] [2024-10-31 22:01:51,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:51,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms