./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c4f91361 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-c4f9136-m [2023-11-23 14:37:58,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 14:37:58,266 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 14:37:58,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 14:37:58,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 14:37:58,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 14:37:58,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 14:37:58,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 14:37:58,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 14:37:58,298 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 14:37:58,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 14:37:58,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 14:37:58,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 14:37:58,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 14:37:58,301 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 14:37:58,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 14:37:58,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 14:37:58,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 14:37:58,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 14:37:58,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 14:37:58,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 14:37:58,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 14:37:58,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 14:37:58,303 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 14:37:58,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 14:37:58,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 14:37:58,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 14:37:58,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 14:37:58,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 14:37:58,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 14:37:58,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 14:37:58,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 14:37:58,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 14:37:58,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 14:37:58,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 14:37:58,306 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 14:37:58,306 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 14:37:58,306 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 14:37:58,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 14:37:58,307 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2023-11-23 14:37:58,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 14:37:58,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 14:37:58,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 14:37:58,522 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 14:37:58,522 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 14:37:58,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-23 14:37:59,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 14:37:59,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 14:37:59,921 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-23 14:37:59,948 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cbf13922/5afad6c770f04954a544a3caf3692ce7/FLAGc365a785e [2023-11-23 14:37:59,961 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cbf13922/5afad6c770f04954a544a3caf3692ce7 [2023-11-23 14:37:59,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 14:37:59,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 14:37:59,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 14:37:59,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 14:37:59,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 14:37:59,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:59" (1/1) ... [2023-11-23 14:37:59,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f559e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:59, skipping insertion in model container [2023-11-23 14:37:59,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:59" (1/1) ... [2023-11-23 14:38:00,064 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 14:38:01,033 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2023-11-23 14:38:01,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 14:38:01,995 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 14:38:02,127 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; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5548-5549] [2023-11-23 14:38:02,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5563] [2023-11-23 14:38:02,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5566] [2023-11-23 14:38:02,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5569] [2023-11-23 14:38:02,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5572] [2023-11-23 14:38:02,131 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [5597] [2023-11-23 14:38:02,139 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2023-11-23 14:38:02,319 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)); [10855] [2023-11-23 14:38:02,319 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; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [10863-10864] [2023-11-23 14:38:02,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1425), "i" (12UL)); [10910-10911] [2023-11-23 14:38:02,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 14:38:02,531 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 14:38:02,531 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 14:38:02,537 INFO L206 MainTranslator]: Completed translation [2023-11-23 14:38:02,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02 WrapperNode [2023-11-23 14:38:02,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 14:38:02,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 14:38:02,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 14:38:02,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 14:38:02,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:02,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:02,808 INFO L138 Inliner]: procedures = 318, calls = 4100, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 7472 [2023-11-23 14:38:02,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 14:38:02,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 14:38:02,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 14:38:02,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 14:38:02,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:02,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:02,854 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:03,498 INFO L175 MemorySlicer]: Split 2382 memory accesses to 21 slices as follows [2, 1, 21, 1, 1, 6, 3, 4, 9, 2, 3, 9, 718, 2, 4, 42, 16, 1280, 256, 0, 2]. 54 percent of accesses are in the largest equivalence class. The 1715 initializations are split as follows [2, 0, 21, 0, 0, 6, 3, 4, 8, 0, 0, 8, 65, 0, 4, 42, 16, 1280, 256, 0, 0]. The 228 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 223, 1, 0, 0, 0, 0, 0, 0, 1]. [2023-11-23 14:38:03,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:03,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:03,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:03,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:03,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:03,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:03,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 14:38:03,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 14:38:03,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 14:38:03,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 14:38:03,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (1/1) ... [2023-11-23 14:38:03,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 14:38:03,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 14:38:03,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 14:38:03,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 14:38:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2023-11-23 14:38:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2023-11-23 14:38:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 14:38:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 14:38:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2023-11-23 14:38:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2023-11-23 14:38:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2023-11-23 14:38:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2023-11-23 14:38:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2023-11-23 14:38:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2023-11-23 14:38:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 14:38:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 14:38:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2023-11-23 14:38:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2023-11-23 14:38:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-23 14:38:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-23 14:38:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2023-11-23 14:38:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2023-11-23 14:38:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 14:38:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 14:38:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-11-23 14:38:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-11-23 14:38:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 14:38:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 14:38:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-23 14:38:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-23 14:38:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2023-11-23 14:38:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2023-11-23 14:38:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2023-11-23 14:38:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2023-11-23 14:38:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2023-11-23 14:38:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2023-11-23 14:38:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2023-11-23 14:38:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2023-11-23 14:38:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2023-11-23 14:38:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2023-11-23 14:38:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 14:38:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 14:38:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2023-11-23 14:38:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2023-11-23 14:38:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 14:38:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 14:38:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-23 14:38:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-23 14:38:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-23 14:38:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-23 14:38:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-23 14:38:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-23 14:38:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-23 14:38:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-23 14:38:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-23 14:38:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-23 14:38:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-23 14:38:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-23 14:38:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-23 14:38:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-23 14:38:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-23 14:38:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-23 14:38:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-23 14:38:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-23 14:38:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-23 14:38:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-23 14:38:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-23 14:38:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-23 14:38:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-23 14:38:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-23 14:38:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-23 14:38:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-23 14:38:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-23 14:38:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-23 14:38:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-23 14:38:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-23 14:38:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-23 14:38:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-23 14:38:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-23 14:38:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-23 14:38:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-23 14:38:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-23 14:38:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-23 14:38:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-23 14:38:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-23 14:38:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-23 14:38:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-23 14:38:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-23 14:38:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2023-11-23 14:38:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2023-11-23 14:38:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 14:38:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 14:38:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2023-11-23 14:38:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2023-11-23 14:38:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 14:38:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 14:38:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2023-11-23 14:38:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2023-11-23 14:38:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-23 14:38:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-23 14:38:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-23 14:38:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-23 14:38:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2023-11-23 14:38:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2023-11-23 14:38:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 14:38:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 14:38:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2023-11-23 14:38:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2023-11-23 14:38:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-23 14:38:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-23 14:38:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2023-11-23 14:38:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2023-11-23 14:38:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-23 14:38:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-23 14:38:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2023-11-23 14:38:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2023-11-23 14:38:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-11-23 14:38:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-11-23 14:38:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-23 14:38:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-23 14:38:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 14:38:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-11-23 14:38:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-11-23 14:38:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2023-11-23 14:38:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2023-11-23 14:38:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 14:38:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 14:38:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 14:38:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 14:38:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 14:38:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 14:38:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 14:38:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 14:38:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-23 14:38:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-23 14:38:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-23 14:38:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-23 14:38:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-23 14:38:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-23 14:38:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-23 14:38:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-23 14:38:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-23 14:38:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-23 14:38:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-23 14:38:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-23 14:38:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-23 14:38:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-23 14:38:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2023-11-23 14:38:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2023-11-23 14:38:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2023-11-23 14:38:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2023-11-23 14:38:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2023-11-23 14:38:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2023-11-23 14:38:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2023-11-23 14:38:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2023-11-23 14:38:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2023-11-23 14:38:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2023-11-23 14:38:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2023-11-23 14:38:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2023-11-23 14:38:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-23 14:38:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-11-23 14:38:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2023-11-23 14:38:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2023-11-23 14:38:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 14:38:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 14:38:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2023-11-23 14:38:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2023-11-23 14:38:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 14:38:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2023-11-23 14:38:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2023-11-23 14:38:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-23 14:38:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-23 14:38:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 14:38:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 14:38:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 14:38:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 14:38:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 14:38:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 14:38:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 14:38:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 14:38:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-23 14:38:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-23 14:38:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-23 14:38:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-23 14:38:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-23 14:38:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-23 14:38:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-23 14:38:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-23 14:38:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-23 14:38:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-23 14:38:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-23 14:38:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-23 14:38:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-23 14:38:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-23 14:38:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-23 14:38:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 14:38:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 14:38:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2023-11-23 14:38:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2023-11-23 14:38:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 14:38:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 14:38:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 14:38:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 14:38:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2023-11-23 14:38:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2023-11-23 14:38:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 14:38:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 14:38:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2023-11-23 14:38:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2023-11-23 14:38:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 14:38:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 14:38:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2023-11-23 14:38:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2023-11-23 14:38:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 14:38:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 14:38:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2023-11-23 14:38:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2023-11-23 14:38:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 14:38:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 14:38:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 14:38:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 14:38:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-11-23 14:38:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-11-23 14:38:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2023-11-23 14:38:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2023-11-23 14:38:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2023-11-23 14:38:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2023-11-23 14:38:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2023-11-23 14:38:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2023-11-23 14:38:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 14:38:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 14:38:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 14:38:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 14:38:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 14:38:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 14:38:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 14:38:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 14:38:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-23 14:38:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-23 14:38:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-23 14:38:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-23 14:38:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-23 14:38:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-23 14:38:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-23 14:38:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-23 14:38:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-23 14:38:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-23 14:38:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-23 14:38:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-23 14:38:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-23 14:38:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2023-11-23 14:38:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2023-11-23 14:38:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 14:38:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 14:38:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 14:38:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 14:38:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2023-11-23 14:38:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2023-11-23 14:38:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 14:38:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 14:38:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2023-11-23 14:38:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2023-11-23 14:38:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2023-11-23 14:38:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2023-11-23 14:38:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2023-11-23 14:38:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2023-11-23 14:38:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 14:38:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 14:38:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 14:38:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 14:38:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 14:38:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 14:38:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 14:38:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 14:38:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 14:38:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-23 14:38:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-23 14:38:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-23 14:38:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-23 14:38:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-23 14:38:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-23 14:38:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-23 14:38:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-23 14:38:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-23 14:38:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-23 14:38:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-23 14:38:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-23 14:38:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-23 14:38:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-23 14:38:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2023-11-23 14:38:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 14:38:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2023-11-23 14:38:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 14:38:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-23 14:38:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2023-11-23 14:38:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2023-11-23 14:38:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2023-11-23 14:38:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2023-11-23 14:38:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2023-11-23 14:38:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 14:38:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 14:38:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 14:38:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-23 14:38:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-23 14:38:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-23 14:38:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-23 14:38:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-23 14:38:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 14:38:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 14:38:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2023-11-23 14:38:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2023-11-23 14:38:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 14:38:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 14:38:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-23 14:38:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-23 14:38:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2023-11-23 14:38:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2023-11-23 14:38:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-23 14:38:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-23 14:38:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2023-11-23 14:38:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2023-11-23 14:38:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2023-11-23 14:38:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2023-11-23 14:38:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2023-11-23 14:38:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2023-11-23 14:38:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-23 14:38:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-23 14:38:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-23 14:38:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-23 14:38:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 14:38:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 14:38:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2023-11-23 14:38:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2023-11-23 14:38:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-23 14:38:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-23 14:38:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 14:38:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 14:38:04,509 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 14:38:04,512 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 14:38:04,630 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 14:38:04,921 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-23 14:38:10,054 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 14:38:10,286 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 14:38:10,286 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 14:38:10,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:10 BoogieIcfgContainer [2023-11-23 14:38:10,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 14:38:10,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 14:38:10,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 14:38:10,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 14:38:10,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:37:59" (1/3) ... [2023-11-23 14:38:10,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbd12e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:10, skipping insertion in model container [2023-11-23 14:38:10,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:02" (2/3) ... [2023-11-23 14:38:10,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbd12e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:10, skipping insertion in model container [2023-11-23 14:38:10,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:10" (3/3) ... [2023-11-23 14:38:10,296 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-23 14:38:10,310 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 14:38:10,310 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 14:38:10,384 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 14:38:10,391 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;@618b97ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 14:38:10,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 14:38:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 2344 states, 1575 states have (on average 1.4577777777777778) internal successors, (2296), 1650 states have internal predecessors, (2296), 659 states have call successors, (659), 110 states have call predecessors, (659), 108 states have return successors, (649), 620 states have call predecessors, (649), 649 states have call successors, (649) [2023-11-23 14:38:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 14:38:10,427 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:38:10,428 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:38:10,429 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:38:10,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:38:10,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1044220407, now seen corresponding path program 1 times [2023-11-23 14:38:10,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:38:10,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138522899] [2023-11-23 14:38:10,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:38:10,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:38:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:38:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:38:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:11,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:38:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:11,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:38:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:11,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:38:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:11,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:38:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:11,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 14:38:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 14:38:11,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:38:11,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138522899] [2023-11-23 14:38:11,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138522899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:38:11,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:38:11,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 14:38:11,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692049745] [2023-11-23 14:38:11,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:38:11,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 14:38:11,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:38:11,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 14:38:11,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 14:38:11,583 INFO L87 Difference]: Start difference. First operand has 2344 states, 1575 states have (on average 1.4577777777777778) internal successors, (2296), 1650 states have internal predecessors, (2296), 659 states have call successors, (659), 110 states have call predecessors, (659), 108 states have return successors, (649), 620 states have call predecessors, (649), 649 states have call successors, (649) Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 14:38:26,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:38:26,834 INFO L93 Difference]: Finished difference Result 7530 states and 11932 transitions. [2023-11-23 14:38:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 14:38:26,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2023-11-23 14:38:26,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:38:26,879 INFO L225 Difference]: With dead ends: 7530 [2023-11-23 14:38:26,880 INFO L226 Difference]: Without dead ends: 5162 [2023-11-23 14:38:26,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 14:38:26,896 INFO L413 NwaCegarLoop]: 773 mSDtfsCounter, 8545 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 7989 mSolverCounterSat, 4811 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9076 SdHoareTripleChecker+Valid, 2367 SdHoareTripleChecker+Invalid, 12800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4811 IncrementalHoareTripleChecker+Valid, 7989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2023-11-23 14:38:26,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9076 Valid, 2367 Invalid, 12800 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4811 Valid, 7989 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2023-11-23 14:38:26,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5162 states. [2023-11-23 14:38:27,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 4556. [2023-11-23 14:38:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4556 states, 3076 states have (on average 1.4479843953185956) internal successors, (4454), 3197 states have internal predecessors, (4454), 1267 states have call successors, (1267), 213 states have call predecessors, (1267), 212 states have return successors, (1262), 1204 states have call predecessors, (1262), 1262 states have call successors, (1262) [2023-11-23 14:38:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4556 states to 4556 states and 6983 transitions. [2023-11-23 14:38:27,192 INFO L78 Accepts]: Start accepts. Automaton has 4556 states and 6983 transitions. Word has length 54 [2023-11-23 14:38:27,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:38:27,193 INFO L495 AbstractCegarLoop]: Abstraction has 4556 states and 6983 transitions. [2023-11-23 14:38:27,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 14:38:27,193 INFO L276 IsEmpty]: Start isEmpty. Operand 4556 states and 6983 transitions. [2023-11-23 14:38:27,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 14:38:27,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:38:27,200 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:38:27,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 14:38:27,200 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:38:27,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:38:27,201 INFO L85 PathProgramCache]: Analyzing trace with hash -141277491, now seen corresponding path program 1 times [2023-11-23 14:38:27,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:38:27,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526837081] [2023-11-23 14:38:27,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:38:27,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:38:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:38:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:38:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:38:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:28,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:38:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:38:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:28,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:38:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:28,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:38:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 14:38:28,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:38:28,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526837081] [2023-11-23 14:38:28,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526837081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:38:28,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:38:28,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 14:38:28,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945424927] [2023-11-23 14:38:28,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:38:28,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 14:38:28,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:38:28,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 14:38:28,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 14:38:28,123 INFO L87 Difference]: Start difference. First operand 4556 states and 6983 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 14:38:44,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:38:44,587 INFO L93 Difference]: Finished difference Result 16145 states and 25926 transitions. [2023-11-23 14:38:44,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 14:38:44,587 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2023-11-23 14:38:44,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:38:44,655 INFO L225 Difference]: With dead ends: 16145 [2023-11-23 14:38:44,655 INFO L226 Difference]: Without dead ends: 11605 [2023-11-23 14:38:44,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-23 14:38:44,684 INFO L413 NwaCegarLoop]: 809 mSDtfsCounter, 10645 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 9347 mSolverCounterSat, 6702 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10998 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 16049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6702 IncrementalHoareTripleChecker+Valid, 9347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2023-11-23 14:38:44,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10998 Valid, 2954 Invalid, 16049 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6702 Valid, 9347 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2023-11-23 14:38:44,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11605 states. [2023-11-23 14:38:45,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11605 to 9747. [2023-11-23 14:38:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9747 states, 6566 states have (on average 1.4399939080109656) internal successors, (9455), 6828 states have internal predecessors, (9455), 2689 states have call successors, (2689), 424 states have call predecessors, (2689), 491 states have return successors, (3117), 2632 states have call predecessors, (3117), 2684 states have call successors, (3117) [2023-11-23 14:38:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9747 states to 9747 states and 15261 transitions. [2023-11-23 14:38:45,209 INFO L78 Accepts]: Start accepts. Automaton has 9747 states and 15261 transitions. Word has length 61 [2023-11-23 14:38:45,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:38:45,210 INFO L495 AbstractCegarLoop]: Abstraction has 9747 states and 15261 transitions. [2023-11-23 14:38:45,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 14:38:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 9747 states and 15261 transitions. [2023-11-23 14:38:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 14:38:45,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:38:45,213 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:38:45,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 14:38:45,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:38:45,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:38:45,214 INFO L85 PathProgramCache]: Analyzing trace with hash -85766127, now seen corresponding path program 1 times [2023-11-23 14:38:45,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:38:45,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529592134] [2023-11-23 14:38:45,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:38:45,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:38:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:45,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:38:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:45,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:38:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:45,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:38:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:45,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:38:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:45,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:38:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:38:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:45,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:38:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:38:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 14:38:45,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:38:45,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529592134] [2023-11-23 14:38:45,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529592134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:38:45,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:38:45,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 14:38:45,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123322431] [2023-11-23 14:38:45,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:38:45,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 14:38:45,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:38:45,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 14:38:45,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 14:38:45,891 INFO L87 Difference]: Start difference. First operand 9747 states and 15261 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 14:39:02,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:39:02,296 INFO L93 Difference]: Finished difference Result 32894 states and 53892 transitions. [2023-11-23 14:39:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 14:39:02,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2023-11-23 14:39:02,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:39:02,436 INFO L225 Difference]: With dead ends: 32894 [2023-11-23 14:39:02,436 INFO L226 Difference]: Without dead ends: 23163 [2023-11-23 14:39:02,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-23 14:39:02,499 INFO L413 NwaCegarLoop]: 824 mSDtfsCounter, 10661 mSDsluCounter, 2160 mSDsCounter, 0 mSdLazyCounter, 9294 mSolverCounterSat, 6650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11024 SdHoareTripleChecker+Valid, 2984 SdHoareTripleChecker+Invalid, 15944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6650 IncrementalHoareTripleChecker+Valid, 9294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2023-11-23 14:39:02,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11024 Valid, 2984 Invalid, 15944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6650 Valid, 9294 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2023-11-23 14:39:02,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23163 states. [2023-11-23 14:39:03,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23163 to 20122. [2023-11-23 14:39:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20122 states, 13539 states have (on average 1.435630401063594) internal successors, (19437), 14083 states have internal predecessors, (19437), 5533 states have call successors, (5533), 846 states have call predecessors, (5533), 1049 states have return successors, (7145), 5488 states have call predecessors, (7145), 5528 states have call successors, (7145) [2023-11-23 14:39:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20122 states to 20122 states and 32115 transitions. [2023-11-23 14:39:03,504 INFO L78 Accepts]: Start accepts. Automaton has 20122 states and 32115 transitions. Word has length 62 [2023-11-23 14:39:03,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:39:03,505 INFO L495 AbstractCegarLoop]: Abstraction has 20122 states and 32115 transitions. [2023-11-23 14:39:03,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 14:39:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 20122 states and 32115 transitions. [2023-11-23 14:39:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 14:39:03,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:39:03,507 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:39:03,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 14:39:03,507 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:39:03,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:39:03,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1635091024, now seen corresponding path program 1 times [2023-11-23 14:39:03,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:39:03,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34484400] [2023-11-23 14:39:03,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:39:03,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:39:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:39:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:39:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:39:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:39:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:03,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:39:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:39:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:39:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 14:39:03,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:39:03,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34484400] [2023-11-23 14:39:03,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34484400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:39:03,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:39:03,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 14:39:03,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830301489] [2023-11-23 14:39:03,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:39:03,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 14:39:03,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:39:03,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 14:39:03,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 14:39:03,863 INFO L87 Difference]: Start difference. First operand 20122 states and 32115 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 14:39:18,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 14:39:20,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:39:20,309 INFO L93 Difference]: Finished difference Result 23161 states and 37566 transitions. [2023-11-23 14:39:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 14:39:20,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 63 [2023-11-23 14:39:20,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:39:20,432 INFO L225 Difference]: With dead ends: 23161 [2023-11-23 14:39:20,432 INFO L226 Difference]: Without dead ends: 23158 [2023-11-23 14:39:20,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-23 14:39:20,456 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 12237 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 8496 mSolverCounterSat, 8499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12601 SdHoareTripleChecker+Valid, 2484 SdHoareTripleChecker+Invalid, 16995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8499 IncrementalHoareTripleChecker+Valid, 8496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2023-11-23 14:39:20,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12601 Valid, 2484 Invalid, 16995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8499 Valid, 8496 Invalid, 0 Unknown, 0 Unchecked, 15.5s Time] [2023-11-23 14:39:20,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23158 states. [2023-11-23 14:39:21,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23158 to 20123. [2023-11-23 14:39:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20123 states, 13540 states have (on average 1.4355982274741506) internal successors, (19438), 14084 states have internal predecessors, (19438), 5533 states have call successors, (5533), 846 states have call predecessors, (5533), 1049 states have return successors, (7145), 5488 states have call predecessors, (7145), 5528 states have call successors, (7145) [2023-11-23 14:39:21,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20123 states to 20123 states and 32116 transitions. [2023-11-23 14:39:21,502 INFO L78 Accepts]: Start accepts. Automaton has 20123 states and 32116 transitions. Word has length 63 [2023-11-23 14:39:21,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:39:21,502 INFO L495 AbstractCegarLoop]: Abstraction has 20123 states and 32116 transitions. [2023-11-23 14:39:21,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 14:39:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 20123 states and 32116 transitions. [2023-11-23 14:39:21,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 14:39:21,509 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:39:21,509 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:39:21,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 14:39:21,510 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:39:21,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:39:21,510 INFO L85 PathProgramCache]: Analyzing trace with hash -852907276, now seen corresponding path program 1 times [2023-11-23 14:39:21,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:39:21,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922034323] [2023-11-23 14:39:21,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:39:21,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:39:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:39:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:39:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:39:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:39:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:39:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:21,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:39:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:39:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 14:39:21,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:39:21,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922034323] [2023-11-23 14:39:21,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922034323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:39:21,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:39:21,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 14:39:21,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850231613] [2023-11-23 14:39:21,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:39:21,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 14:39:21,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:39:21,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 14:39:21,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 14:39:21,844 INFO L87 Difference]: Start difference. First operand 20123 states and 32116 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 14:39:31,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:39:31,147 INFO L93 Difference]: Finished difference Result 23157 states and 37562 transitions. [2023-11-23 14:39:31,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 14:39:31,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 64 [2023-11-23 14:39:31,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:39:31,263 INFO L225 Difference]: With dead ends: 23157 [2023-11-23 14:39:31,263 INFO L226 Difference]: Without dead ends: 23154 [2023-11-23 14:39:31,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-23 14:39:31,286 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 7352 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 5328 mSolverCounterSat, 5147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7522 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 10475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5147 IncrementalHoareTripleChecker+Valid, 5328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-23 14:39:31,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7522 Valid, 1732 Invalid, 10475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5147 Valid, 5328 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-11-23 14:39:31,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23154 states. [2023-11-23 14:39:32,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23154 to 20122. [2023-11-23 14:39:32,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20122 states, 13540 states have (on average 1.4355243722304283) internal successors, (19437), 14083 states have internal predecessors, (19437), 5532 states have call successors, (5532), 846 states have call predecessors, (5532), 1049 states have return successors, (7145), 5488 states have call predecessors, (7145), 5528 states have call successors, (7145) [2023-11-23 14:39:32,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20122 states to 20122 states and 32114 transitions. [2023-11-23 14:39:32,341 INFO L78 Accepts]: Start accepts. Automaton has 20122 states and 32114 transitions. Word has length 64 [2023-11-23 14:39:32,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:39:32,341 INFO L495 AbstractCegarLoop]: Abstraction has 20122 states and 32114 transitions. [2023-11-23 14:39:32,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 14:39:32,341 INFO L276 IsEmpty]: Start isEmpty. Operand 20122 states and 32114 transitions. [2023-11-23 14:39:32,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 14:39:32,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:39:32,344 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:39:32,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 14:39:32,344 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:39:32,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:39:32,345 INFO L85 PathProgramCache]: Analyzing trace with hash -671438381, now seen corresponding path program 1 times [2023-11-23 14:39:32,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:39:32,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838789058] [2023-11-23 14:39:32,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:39:32,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:39:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:39:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:32,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:39:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:32,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:39:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:32,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:39:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:39:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:32,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:39:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:32,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:39:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 14:39:32,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:39:32,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838789058] [2023-11-23 14:39:32,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838789058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:39:32,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:39:32,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 14:39:32,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054262783] [2023-11-23 14:39:32,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:39:32,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 14:39:32,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:39:32,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 14:39:32,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 14:39:32,789 INFO L87 Difference]: Start difference. First operand 20122 states and 32114 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 14:39:42,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 14:39:45,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:39:45,937 INFO L93 Difference]: Finished difference Result 23156 states and 37560 transitions. [2023-11-23 14:39:45,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 14:39:45,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 65 [2023-11-23 14:39:45,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:39:46,035 INFO L225 Difference]: With dead ends: 23156 [2023-11-23 14:39:46,036 INFO L226 Difference]: Without dead ends: 23091 [2023-11-23 14:39:46,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-23 14:39:46,055 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 6616 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 6102 mSolverCounterSat, 4222 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6783 SdHoareTripleChecker+Valid, 2198 SdHoareTripleChecker+Invalid, 10325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4222 IncrementalHoareTripleChecker+Valid, 6102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2023-11-23 14:39:46,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6783 Valid, 2198 Invalid, 10325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4222 Valid, 6102 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2023-11-23 14:39:46,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23091 states. [2023-11-23 14:39:47,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23091 to 20059. [2023-11-23 14:39:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20059 states, 13493 states have (on average 1.4353368413251315) internal successors, (19367), 14035 states have internal predecessors, (19367), 5518 states have call successors, (5518), 844 states have call predecessors, (5518), 1047 states have return successors, (7132), 5475 states have call predecessors, (7132), 5515 states have call successors, (7132) [2023-11-23 14:39:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20059 states to 20059 states and 32017 transitions. [2023-11-23 14:39:47,147 INFO L78 Accepts]: Start accepts. Automaton has 20059 states and 32017 transitions. Word has length 65 [2023-11-23 14:39:47,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:39:47,147 INFO L495 AbstractCegarLoop]: Abstraction has 20059 states and 32017 transitions. [2023-11-23 14:39:47,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 14:39:47,148 INFO L276 IsEmpty]: Start isEmpty. Operand 20059 states and 32017 transitions. [2023-11-23 14:39:47,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-23 14:39:47,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:39:47,184 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:39:47,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 14:39:47,185 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:39:47,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:39:47,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1357695187, now seen corresponding path program 1 times [2023-11-23 14:39:47,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:39:47,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214430010] [2023-11-23 14:39:47,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:39:47,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:39:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:39:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:39:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:39:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:39:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:39:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:39:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 14:39:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 14:39:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 14:39:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 14:39:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 14:39:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 14:39:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:39:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:39:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-23 14:39:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 14:39:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:39:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 14:39:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:39:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:39:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 14:39:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 14:39:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 14:39:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 14:39:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 14:39:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 14:39:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-23 14:39:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-23 14:39:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:39:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-23 14:39:47,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:39:47,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214430010] [2023-11-23 14:39:47,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214430010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:39:47,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:39:47,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 14:39:47,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976100071] [2023-11-23 14:39:47,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:39:47,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 14:39:47,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:39:47,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 14:39:47,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-23 14:39:47,626 INFO L87 Difference]: Start difference. First operand 20059 states and 32017 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 9 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 14:40:19,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:40:19,324 INFO L93 Difference]: Finished difference Result 76871 states and 126119 transitions. [2023-11-23 14:40:19,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-23 14:40:19,325 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 9 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 185 [2023-11-23 14:40:19,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:40:19,578 INFO L225 Difference]: With dead ends: 76871 [2023-11-23 14:40:19,578 INFO L226 Difference]: Without dead ends: 56828 [2023-11-23 14:40:19,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=314, Invalid=946, Unknown=0, NotChecked=0, Total=1260 [2023-11-23 14:40:19,664 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 26632 mSDsluCounter, 2863 mSDsCounter, 0 mSdLazyCounter, 12910 mSolverCounterSat, 23498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26991 SdHoareTripleChecker+Valid, 3744 SdHoareTripleChecker+Invalid, 36408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 23498 IncrementalHoareTripleChecker+Valid, 12910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2023-11-23 14:40:19,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26991 Valid, 3744 Invalid, 36408 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [23498 Valid, 12910 Invalid, 0 Unknown, 0 Unchecked, 27.6s Time] [2023-11-23 14:40:19,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56828 states. [2023-11-23 14:40:22,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56828 to 41459. [2023-11-23 14:40:22,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41459 states, 27450 states have (on average 1.4182513661202185) internal successors, (38931), 28630 states have internal predecessors, (38931), 11810 states have call successors, (11810), 1623 states have call predecessors, (11810), 2198 states have return successors, (14595), 11911 states have call predecessors, (14595), 11807 states have call successors, (14595) [2023-11-23 14:40:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41459 states to 41459 states and 65336 transitions. [2023-11-23 14:40:22,884 INFO L78 Accepts]: Start accepts. Automaton has 41459 states and 65336 transitions. Word has length 185 [2023-11-23 14:40:22,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:40:22,885 INFO L495 AbstractCegarLoop]: Abstraction has 41459 states and 65336 transitions. [2023-11-23 14:40:22,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 9 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 14:40:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 41459 states and 65336 transitions. [2023-11-23 14:40:22,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-23 14:40:22,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:40:22,951 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:40:22,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 14:40:22,951 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:40:22,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:40:22,952 INFO L85 PathProgramCache]: Analyzing trace with hash 357270696, now seen corresponding path program 1 times [2023-11-23 14:40:22,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:40:22,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411396272] [2023-11-23 14:40:22,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:40:22,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:40:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:40:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:40:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:40:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:40:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:40:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:40:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:40:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 14:40:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 14:40:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 14:40:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-23 14:40:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 14:40:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 14:40:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 14:40:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 14:40:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:40:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:40:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 14:40:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 14:40:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:40:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 14:40:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:40:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:40:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 14:40:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 14:40:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 14:40:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 14:40:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 14:40:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-23 14:40:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 14:40:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 14:40:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:40:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-11-23 14:40:23,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:40:23,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411396272] [2023-11-23 14:40:23,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411396272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:40:23,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:40:23,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-23 14:40:23,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718511536] [2023-11-23 14:40:23,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:40:23,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 14:40:23,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:40:23,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 14:40:23,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-23 14:40:23,655 INFO L87 Difference]: Start difference. First operand 41459 states and 65336 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (32), 9 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 14:40:55,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:40:55,906 INFO L93 Difference]: Finished difference Result 101574 states and 170459 transitions. [2023-11-23 14:40:55,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-23 14:40:55,907 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (32), 9 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 215 [2023-11-23 14:40:55,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:40:56,236 INFO L225 Difference]: With dead ends: 101574 [2023-11-23 14:40:56,236 INFO L226 Difference]: Without dead ends: 60131 [2023-11-23 14:40:56,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=253, Invalid=739, Unknown=0, NotChecked=0, Total=992 [2023-11-23 14:40:56,380 INFO L413 NwaCegarLoop]: 1265 mSDtfsCounter, 14807 mSDsluCounter, 8077 mSDsCounter, 0 mSdLazyCounter, 18009 mSolverCounterSat, 12909 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15088 SdHoareTripleChecker+Valid, 9342 SdHoareTripleChecker+Invalid, 30918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12909 IncrementalHoareTripleChecker+Valid, 18009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2023-11-23 14:40:56,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15088 Valid, 9342 Invalid, 30918 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12909 Valid, 18009 Invalid, 0 Unknown, 0 Unchecked, 27.2s Time] [2023-11-23 14:40:56,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60131 states. [2023-11-23 14:40:59,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60131 to 41483. [2023-11-23 14:40:59,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41483 states, 27474 states have (on average 1.4176676130159422) internal successors, (38949), 28654 states have internal predecessors, (38949), 11810 states have call successors, (11810), 1623 states have call predecessors, (11810), 2198 states have return successors, (14595), 11911 states have call predecessors, (14595), 11807 states have call successors, (14595) [2023-11-23 14:40:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41483 states to 41483 states and 65354 transitions. [2023-11-23 14:40:59,910 INFO L78 Accepts]: Start accepts. Automaton has 41483 states and 65354 transitions. Word has length 215 [2023-11-23 14:40:59,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:40:59,911 INFO L495 AbstractCegarLoop]: Abstraction has 41483 states and 65354 transitions. [2023-11-23 14:40:59,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (32), 9 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 14:40:59,911 INFO L276 IsEmpty]: Start isEmpty. Operand 41483 states and 65354 transitions. [2023-11-23 14:40:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-23 14:40:59,957 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:40:59,957 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:40:59,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 14:40:59,957 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:40:59,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:40:59,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1300492041, now seen corresponding path program 1 times [2023-11-23 14:40:59,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:40:59,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979312325] [2023-11-23 14:40:59,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:40:59,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:41:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:41:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:41:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:41:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:41:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:41:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:41:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:41:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 14:41:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 14:41:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-23 14:41:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-23 14:41:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 14:41:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-23 14:41:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 14:41:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 14:41:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:41:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:41:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 14:41:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 14:41:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:41:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 14:41:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 14:41:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-23 14:41:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 14:41:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 14:41:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-23 14:41:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 14:41:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 14:41:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-23 14:41:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-23 14:41:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 14:41:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 14:41:00,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:41:00,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979312325] [2023-11-23 14:41:00,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979312325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:41:00,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:41:00,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 14:41:00,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783418926] [2023-11-23 14:41:00,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:41:00,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 14:41:00,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:41:00,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 14:41:00,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-23 14:41:00,848 INFO L87 Difference]: Start difference. First operand 41483 states and 65354 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (32), 9 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-23 14:41:48,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:41:48,239 INFO L93 Difference]: Finished difference Result 127022 states and 212878 transitions. [2023-11-23 14:41:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-23 14:41:48,239 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (32), 9 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 220 [2023-11-23 14:41:48,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:41:48,782 INFO L225 Difference]: With dead ends: 127022 [2023-11-23 14:41:48,782 INFO L226 Difference]: Without dead ends: 85555 [2023-11-23 14:41:48,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=485, Invalid=1495, Unknown=0, NotChecked=0, Total=1980 [2023-11-23 14:41:48,944 INFO L413 NwaCegarLoop]: 1366 mSDtfsCounter, 15531 mSDsluCounter, 6993 mSDsCounter, 0 mSdLazyCounter, 27928 mSolverCounterSat, 12664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15948 SdHoareTripleChecker+Valid, 8359 SdHoareTripleChecker+Invalid, 40592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12664 IncrementalHoareTripleChecker+Valid, 27928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.3s IncrementalHoareTripleChecker+Time [2023-11-23 14:41:48,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15948 Valid, 8359 Invalid, 40592 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12664 Valid, 27928 Invalid, 0 Unknown, 0 Unchecked, 39.3s Time] [2023-11-23 14:41:48,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85555 states. [2023-11-23 14:41:54,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85555 to 62458. [2023-11-23 14:41:54,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62458 states, 41400 states have (on average 1.4170289855072464) internal successors, (58665), 43173 states have internal predecessors, (58665), 17745 states have call successors, (17745), 2449 states have call predecessors, (17745), 3312 states have return successors, (21924), 17890 states have call predecessors, (21924), 17742 states have call successors, (21924) [2023-11-23 14:41:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62458 states to 62458 states and 98334 transitions. [2023-11-23 14:41:54,590 INFO L78 Accepts]: Start accepts. Automaton has 62458 states and 98334 transitions. Word has length 220 [2023-11-23 14:41:54,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:41:54,590 INFO L495 AbstractCegarLoop]: Abstraction has 62458 states and 98334 transitions. [2023-11-23 14:41:54,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (32), 9 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-23 14:41:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 62458 states and 98334 transitions. [2023-11-23 14:41:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-11-23 14:41:54,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:41:54,672 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:41:54,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 14:41:54,672 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:41:54,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:41:54,673 INFO L85 PathProgramCache]: Analyzing trace with hash 936431448, now seen corresponding path program 1 times [2023-11-23 14:41:54,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:41:54,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498406681] [2023-11-23 14:41:54,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:41:54,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:41:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:41:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:41:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:41:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 14:41:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:41:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:41:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:41:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 14:41:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 14:41:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 14:41:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 14:41:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 14:41:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-23 14:41:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 14:41:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 14:41:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 14:41:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 14:41:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:41:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:41:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 14:41:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 14:41:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:41:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 14:41:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 14:41:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-23 14:41:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 14:41:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 14:41:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-23 14:41:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-23 14:41:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 14:41:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 14:41:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-23 14:41:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 14:41:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 14:41:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 14:41:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-23 14:41:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-23 14:41:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-11-23 14:41:55,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:41:55,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498406681] [2023-11-23 14:41:55,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498406681] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 14:41:55,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744949293] [2023-11-23 14:41:55,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:41:55,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 14:41:55,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 14:41:55,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 14:41:55,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 14:41:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:41:56,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 6340 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 14:41:57,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 14:41:57,059 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2023-11-23 14:41:57,060 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 14:41:57,211 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2023-11-23 14:41:57,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744949293] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 14:41:57,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 14:41:57,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2023-11-23 14:41:57,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416882229] [2023-11-23 14:41:57,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 14:41:57,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 14:41:57,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:41:57,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 14:41:57,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-23 14:41:57,213 INFO L87 Difference]: Start difference. First operand 62458 states and 98334 transitions. Second operand has 14 states, 14 states have (on average 10.5) internal successors, (147), 7 states have internal predecessors, (147), 5 states have call successors, (77), 9 states have call predecessors, (77), 2 states have return successors, (56), 5 states have call predecessors, (56), 5 states have call successors, (56) Killed by 15