./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/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 e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:37:14,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:37:14,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:37:14,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:37:14,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:37:14,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:37:14,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:37:14,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:37:14,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:37:14,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:37:14,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:37:14,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:37:14,993 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:37:14,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:37:14,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:37:14,996 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:37:14,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:37:14,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:37:14,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:37:14,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:37:14,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:37:14,999 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:37:15,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:37:15,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:37:15,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:37:15,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:37:15,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:37:15,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:37:15,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:37:15,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:37:15,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:37:15,005 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:37:15,005 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:37:15,005 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:37:15,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:37:15,006 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:37:15,006 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2023-11-06 22:37:15,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:37:15,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:37:15,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:37:15,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:37:15,309 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:37:15,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-06 22:37:18,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:37:19,128 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:37:19,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-06 22:37:19,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/data/45ffe2b03/b012326392bc4e75aff996f28ae83ccd/FLAGddbcf34b2 [2023-11-06 22:37:19,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/data/45ffe2b03/b012326392bc4e75aff996f28ae83ccd [2023-11-06 22:37:19,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:37:19,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:37:19,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:37:19,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:37:19,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:37:19,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:19" (1/1) ... [2023-11-06 22:37:19,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4068f70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:19, skipping insertion in model container [2023-11-06 22:37:19,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:19" (1/1) ... [2023-11-06 22:37:19,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:37:20,894 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/sv-benchmarks/c/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] [2023-11-06 22:37:22,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:37:22,388 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:37:22,579 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] [2023-11-06 22:37:22,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5563] [2023-11-06 22:37:22,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5566] [2023-11-06 22:37:22,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5569] [2023-11-06 22:37:22,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5572] [2023-11-06 22:37:22,584 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] [2023-11-06 22:37:22,598 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/sv-benchmarks/c/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] [2023-11-06 22:37:22,952 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] [2023-11-06 22:37:22,953 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] [2023-11-06 22:37:22,954 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] [2023-11-06 22:37:23,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:37:23,333 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:37:23,333 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:37:23,341 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:37:23,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23 WrapperNode [2023-11-06 22:37:23,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:37:23,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:37:23,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:37:23,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:37:23,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2023-11-06 22:37:23,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2023-11-06 22:37:23,719 INFO L138 Inliner]: procedures = 318, calls = 4100, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 7246 [2023-11-06 22:37:23,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:37:23,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:37:23,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:37:23,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:37:23,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2023-11-06 22:37:23,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2023-11-06 22:37:23,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2023-11-06 22:37:23,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2023-11-06 22:37:24,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2023-11-06 22:37:24,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2023-11-06 22:37:24,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2023-11-06 22:37:24,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2023-11-06 22:37:24,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:37:24,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:37:24,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:37:24,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:37:24,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2023-11-06 22:37:24,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:37:24,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:37:24,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:37:24,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14470aa8-d723-43b1-ab86-dc0c43e62f9e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:37:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2023-11-06 22:37:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2023-11-06 22:37:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-06 22:37:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-06 22:37:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2023-11-06 22:37:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2023-11-06 22:37:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2023-11-06 22:37:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2023-11-06 22:37:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2023-11-06 22:37:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2023-11-06 22:37:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:37:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:37:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2023-11-06 22:37:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2023-11-06 22:37:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-06 22:37:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-06 22:37:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2023-11-06 22:37:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2023-11-06 22:37:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-06 22:37:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-06 22:37:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-11-06 22:37:24,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-11-06 22:37:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:37:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:37:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-06 22:37:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-06 22:37:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2023-11-06 22:37:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2023-11-06 22:37:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2023-11-06 22:37:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2023-11-06 22:37:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2023-11-06 22:37:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2023-11-06 22:37:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2023-11-06 22:37:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2023-11-06 22:37:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2023-11-06 22:37:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2023-11-06 22:37:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:37:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:37:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2023-11-06 22:37:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2023-11-06 22:37:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-06 22:37:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-06 22:37:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:37:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:37:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2023-11-06 22:37:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2023-11-06 22:37:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:37:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:37:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2023-11-06 22:37:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2023-11-06 22:37:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-06 22:37:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-06 22:37:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2023-11-06 22:37:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2023-11-06 22:37:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-06 22:37:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-06 22:37:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-06 22:37:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-06 22:37:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2023-11-06 22:37:24,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2023-11-06 22:37:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:37:24,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:37:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2023-11-06 22:37:24,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2023-11-06 22:37:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-06 22:37:24,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-06 22:37:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2023-11-06 22:37:24,288 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2023-11-06 22:37:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-06 22:37:24,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-06 22:37:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2023-11-06 22:37:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2023-11-06 22:37:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-11-06 22:37:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-11-06 22:37:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-06 22:37:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-06 22:37:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:37:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-11-06 22:37:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-11-06 22:37:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2023-11-06 22:37:24,291 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2023-11-06 22:37:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:37:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:37:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2023-11-06 22:37:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2023-11-06 22:37:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2023-11-06 22:37:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2023-11-06 22:37:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2023-11-06 22:37:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2023-11-06 22:37:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2023-11-06 22:37:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2023-11-06 22:37:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2023-11-06 22:37:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2023-11-06 22:37:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2023-11-06 22:37:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2023-11-06 22:37:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-06 22:37:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-11-06 22:37:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2023-11-06 22:37:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2023-11-06 22:37:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:37:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:37:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2023-11-06 22:37:24,295 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2023-11-06 22:37:24,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:37:24,295 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2023-11-06 22:37:24,295 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2023-11-06 22:37:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-06 22:37:24,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-06 22:37:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:37:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-06 22:37:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-06 22:37:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:37:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:37:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2023-11-06 22:37:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2023-11-06 22:37:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-06 22:37:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-06 22:37:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-06 22:37:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-06 22:37:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2023-11-06 22:37:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2023-11-06 22:37:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:37:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:37:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2023-11-06 22:37:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2023-11-06 22:37:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-06 22:37:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-06 22:37:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2023-11-06 22:37:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2023-11-06 22:37:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-06 22:37:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-06 22:37:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2023-11-06 22:37:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2023-11-06 22:37:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 22:37:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 22:37:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-06 22:37:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-06 22:37:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-11-06 22:37:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-11-06 22:37:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2023-11-06 22:37:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2023-11-06 22:37:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2023-11-06 22:37:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2023-11-06 22:37:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2023-11-06 22:37:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2023-11-06 22:37:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:37:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2023-11-06 22:37:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2023-11-06 22:37:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-06 22:37:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-06 22:37:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-06 22:37:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-06 22:37:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2023-11-06 22:37:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2023-11-06 22:37:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-06 22:37:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-06 22:37:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2023-11-06 22:37:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2023-11-06 22:37:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2023-11-06 22:37:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2023-11-06 22:37:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2023-11-06 22:37:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2023-11-06 22:37:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:37:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:37:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:37:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2023-11-06 22:37:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2023-11-06 22:37:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:37:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:37:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2023-11-06 22:37:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2023-11-06 22:37:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:37:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-06 22:37:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-06 22:37:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-06 22:37:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-06 22:37:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2023-11-06 22:37:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2023-11-06 22:37:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2023-11-06 22:37:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2023-11-06 22:37:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2023-11-06 22:37:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2023-11-06 22:37:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:37:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2023-11-06 22:37:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2023-11-06 22:37:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2023-11-06 22:37:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2023-11-06 22:37:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 22:37:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 22:37:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:37:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 22:37:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:37:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:37:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-06 22:37:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-06 22:37:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-06 22:37:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-06 22:37:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-06 22:37:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-06 22:37:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-06 22:37:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-06 22:37:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2023-11-06 22:37:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2023-11-06 22:37:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-06 22:37:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-06 22:37:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-06 22:37:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-06 22:37:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2023-11-06 22:37:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2023-11-06 22:37:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-06 22:37:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-06 22:37:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2023-11-06 22:37:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2023-11-06 22:37:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2023-11-06 22:37:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2023-11-06 22:37:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2023-11-06 22:37:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2023-11-06 22:37:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-06 22:37:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-06 22:37:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-06 22:37:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-06 22:37:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-06 22:37:24,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-06 22:37:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:37:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2023-11-06 22:37:24,329 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2023-11-06 22:37:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2023-11-06 22:37:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2023-11-06 22:37:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-06 22:37:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-06 22:37:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:37:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:37:25,144 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:37:25,148 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:37:25,559 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:37:26,889 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-06 22:37:33,296 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:37:33,325 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:37:33,326 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:37:33,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:33 BoogieIcfgContainer [2023-11-06 22:37:33,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:37:33,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:37:33,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:37:33,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:37:33,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:19" (1/3) ... [2023-11-06 22:37:33,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6914933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:33, skipping insertion in model container [2023-11-06 22:37:33,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (2/3) ... [2023-11-06 22:37:33,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6914933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:33, skipping insertion in model container [2023-11-06 22:37:33,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:33" (3/3) ... [2023-11-06 22:37:33,341 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-06 22:37:33,361 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:37:33,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:37:33,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:37:33,562 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fbf1c0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:37:33,562 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:37:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 2522 states, 1754 states have (on average 1.4104903078677309) internal successors, (2474), 1829 states have internal predecessors, (2474), 659 states have call successors, (659), 109 states have call predecessors, (659), 107 states have return successors, (649), 620 states have call predecessors, (649), 649 states have call successors, (649) [2023-11-06 22:37:33,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:37:33,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:33,607 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, 1] [2023-11-06 22:37:33,607 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:37:33,614 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:33,614 INFO L85 PathProgramCache]: Analyzing trace with hash -254405821, now seen corresponding path program 1 times [2023-11-06 22:37:33,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:33,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732004756] [2023-11-06 22:37:33,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:33,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:37:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:37:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:37:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:37:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:37:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:37:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:37:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,089 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-06 22:37:36,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:36,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732004756] [2023-11-06 22:37:36,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732004756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:36,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:36,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:37:36,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198714610] [2023-11-06 22:37:36,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:36,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:37:36,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:36,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:37:36,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:37:36,252 INFO L87 Difference]: Start difference. First operand has 2522 states, 1754 states have (on average 1.4104903078677309) internal successors, (2474), 1829 states have internal predecessors, (2474), 659 states have call successors, (659), 109 states have call predecessors, (659), 107 states have return successors, (649), 620 states have call predecessors, (649), 649 states have call successors, (649) Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 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) [2023-11-06 22:38:02,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:02,026 INFO L93 Difference]: Finished difference Result 11220 states and 17467 transitions. [2023-11-06 22:38:02,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:38:02,029 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 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 66 [2023-11-06 22:38:02,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:02,176 INFO L225 Difference]: With dead ends: 11220 [2023-11-06 22:38:02,177 INFO L226 Difference]: Without dead ends: 8661 [2023-11-06 22:38:02,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:38:02,227 INFO L413 NwaCegarLoop]: 2898 mSDtfsCounter, 12079 mSDsluCounter, 14231 mSDsCounter, 0 mSdLazyCounter, 10896 mSolverCounterSat, 5272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12901 SdHoareTripleChecker+Valid, 17129 SdHoareTripleChecker+Invalid, 16168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 5272 IncrementalHoareTripleChecker+Valid, 10896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:02,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12901 Valid, 17129 Invalid, 16168 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [5272 Valid, 10896 Invalid, 0 Unknown, 0 Unchecked, 23.8s Time] [2023-11-06 22:38:02,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8661 states. [2023-11-06 22:38:03,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8661 to 7274. [2023-11-06 22:38:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7274 states, 5073 states have (on average 1.404494382022472) internal successors, (7125), 5252 states have internal predecessors, (7125), 1885 states have call successors, (1885), 316 states have call predecessors, (1885), 315 states have return successors, (1880), 1793 states have call predecessors, (1880), 1880 states have call successors, (1880) [2023-11-06 22:38:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7274 states to 7274 states and 10890 transitions. [2023-11-06 22:38:03,170 INFO L78 Accepts]: Start accepts. Automaton has 7274 states and 10890 transitions. Word has length 66 [2023-11-06 22:38:03,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:03,171 INFO L495 AbstractCegarLoop]: Abstraction has 7274 states and 10890 transitions. [2023-11-06 22:38:03,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 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) [2023-11-06 22:38:03,172 INFO L276 IsEmpty]: Start isEmpty. Operand 7274 states and 10890 transitions. [2023-11-06 22:38:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-06 22:38:03,181 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:03,182 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, 1, 1, 1, 1] [2023-11-06 22:38:03,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:38:03,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:03,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:03,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1830061611, now seen corresponding path program 1 times [2023-11-06 22:38:03,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:03,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98155183] [2023-11-06 22:38:03,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:03,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:04,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:38:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:04,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:38:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:04,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:38:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:04,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:38:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:04,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:38:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:38:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:04,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:38:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-06 22:38:04,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:04,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98155183] [2023-11-06 22:38:04,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98155183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:04,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:04,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:38:04,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618628335] [2023-11-06 22:38:04,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:04,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:38:04,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:04,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:38:04,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:38:04,595 INFO L87 Difference]: Start difference. First operand 7274 states and 10890 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2023-11-06 22:38:24,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:24,431 INFO L93 Difference]: Finished difference Result 26819 states and 42189 transitions. [2023-11-06 22:38:24,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:38:24,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 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 69 [2023-11-06 22:38:24,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:24,637 INFO L225 Difference]: With dead ends: 26819 [2023-11-06 22:38:24,638 INFO L226 Difference]: Without dead ends: 19571 [2023-11-06 22:38:24,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:38:24,706 INFO L413 NwaCegarLoop]: 2846 mSDtfsCounter, 9384 mSDsluCounter, 6703 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 5410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9891 SdHoareTripleChecker+Valid, 9549 SdHoareTripleChecker+Invalid, 10621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5410 IncrementalHoareTripleChecker+Valid, 5211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:24,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9891 Valid, 9549 Invalid, 10621 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5410 Valid, 5211 Invalid, 0 Unknown, 0 Unchecked, 18.4s Time] [2023-11-06 22:38:24,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19571 states. [2023-11-06 22:38:26,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19571 to 16194. [2023-11-06 22:38:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16194 states, 11272 states have (on average 1.392654364797729) internal successors, (15698), 11677 states have internal predecessors, (15698), 4124 states have call successors, (4124), 630 states have call predecessors, (4124), 797 states have return successors, (5098), 4098 states have call predecessors, (5098), 4119 states have call successors, (5098) [2023-11-06 22:38:26,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16194 states to 16194 states and 24920 transitions. [2023-11-06 22:38:26,600 INFO L78 Accepts]: Start accepts. Automaton has 16194 states and 24920 transitions. Word has length 69 [2023-11-06 22:38:26,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:26,601 INFO L495 AbstractCegarLoop]: Abstraction has 16194 states and 24920 transitions. [2023-11-06 22:38:26,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2023-11-06 22:38:26,602 INFO L276 IsEmpty]: Start isEmpty. Operand 16194 states and 24920 transitions. [2023-11-06 22:38:26,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-06 22:38:26,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:26,612 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, 1, 1, 1, 1, 1] [2023-11-06 22:38:26,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:38:26,613 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:26,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:26,613 INFO L85 PathProgramCache]: Analyzing trace with hash -898489415, now seen corresponding path program 1 times [2023-11-06 22:38:26,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:26,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473113716] [2023-11-06 22:38:26,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:26,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:27,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:38:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:38:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:27,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:38:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:38:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:27,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:38:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:38:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:38:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:27,923 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-06 22:38:27,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:27,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473113716] [2023-11-06 22:38:27,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473113716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:27,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:27,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:38:27,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196571863] [2023-11-06 22:38:27,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:27,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:38:27,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:27,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:38:27,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:38:27,927 INFO L87 Difference]: Start difference. First operand 16194 states and 24920 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 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) [2023-11-06 22:38:37,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:47,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:47,006 INFO L93 Difference]: Finished difference Result 55249 states and 88714 transitions. [2023-11-06 22:38:47,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:38:47,007 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 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 70 [2023-11-06 22:38:47,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:47,373 INFO L225 Difference]: With dead ends: 55249 [2023-11-06 22:38:47,374 INFO L226 Difference]: Without dead ends: 39081 [2023-11-06 22:38:47,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:38:47,585 INFO L413 NwaCegarLoop]: 2759 mSDtfsCounter, 11212 mSDsluCounter, 5715 mSDsCounter, 0 mSdLazyCounter, 4772 mSolverCounterSat, 7357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11727 SdHoareTripleChecker+Valid, 8474 SdHoareTripleChecker+Invalid, 12129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7357 IncrementalHoareTripleChecker+Valid, 4772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:47,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11727 Valid, 8474 Invalid, 12129 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7357 Valid, 4772 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2023-11-06 22:38:47,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39081 states. [2023-11-06 22:38:50,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39081 to 34023. [2023-11-06 22:38:51,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34023 states, 23659 states have (on average 1.3869140707553151) internal successors, (32813), 24516 states have internal predecessors, (32813), 8602 states have call successors, (8602), 1258 states have call predecessors, (8602), 1761 states have return successors, (12035), 8708 states have call predecessors, (12035), 8597 states have call successors, (12035) [2023-11-06 22:38:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34023 states to 34023 states and 53450 transitions. [2023-11-06 22:38:51,303 INFO L78 Accepts]: Start accepts. Automaton has 34023 states and 53450 transitions. Word has length 70 [2023-11-06 22:38:51,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:51,303 INFO L495 AbstractCegarLoop]: Abstraction has 34023 states and 53450 transitions. [2023-11-06 22:38:51,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 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) [2023-11-06 22:38:51,304 INFO L276 IsEmpty]: Start isEmpty. Operand 34023 states and 53450 transitions. [2023-11-06 22:38:51,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-06 22:38:51,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:51,309 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, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:51,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:38:51,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:51,310 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:51,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2084517544, now seen corresponding path program 1 times [2023-11-06 22:38:51,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:51,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371122783] [2023-11-06 22:38:51,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:51,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:51,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:38:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:51,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:38:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:38:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:51,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:38:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:51,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:38:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:38:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:38:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-06 22:38:51,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:51,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371122783] [2023-11-06 22:38:51,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371122783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:51,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:51,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:38:51,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106428542] [2023-11-06 22:38:51,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:51,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:38:51,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:51,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:38:51,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:38:51,928 INFO L87 Difference]: Start difference. First operand 34023 states and 53450 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-11-06 22:39:09,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:39:09,388 INFO L93 Difference]: Finished difference Result 39079 states and 62127 transitions. [2023-11-06 22:39:09,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:39:09,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 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 71 [2023-11-06 22:39:09,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:39:09,647 INFO L225 Difference]: With dead ends: 39079 [2023-11-06 22:39:09,647 INFO L226 Difference]: Without dead ends: 39076 [2023-11-06 22:39:09,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:39:09,681 INFO L413 NwaCegarLoop]: 2781 mSDtfsCounter, 11153 mSDsluCounter, 5773 mSDsCounter, 0 mSdLazyCounter, 4781 mSolverCounterSat, 7292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11667 SdHoareTripleChecker+Valid, 8554 SdHoareTripleChecker+Invalid, 12073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7292 IncrementalHoareTripleChecker+Valid, 4781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:39:09,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11667 Valid, 8554 Invalid, 12073 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7292 Valid, 4781 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2023-11-06 22:39:09,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39076 states. [2023-11-06 22:39:12,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39076 to 34024. [2023-11-06 22:39:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34024 states, 23660 states have (on average 1.3868977176669484) internal successors, (32814), 24517 states have internal predecessors, (32814), 8602 states have call successors, (8602), 1258 states have call predecessors, (8602), 1761 states have return successors, (12035), 8708 states have call predecessors, (12035), 8597 states have call successors, (12035) [2023-11-06 22:39:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34024 states to 34024 states and 53451 transitions. [2023-11-06 22:39:13,001 INFO L78 Accepts]: Start accepts. Automaton has 34024 states and 53451 transitions. Word has length 71 [2023-11-06 22:39:13,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:39:13,004 INFO L495 AbstractCegarLoop]: Abstraction has 34024 states and 53451 transitions. [2023-11-06 22:39:13,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-11-06 22:39:13,005 INFO L276 IsEmpty]: Start isEmpty. Operand 34024 states and 53451 transitions. [2023-11-06 22:39:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:39:13,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:39:13,011 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:39:13,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:39:13,012 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:39:13,013 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:39:13,013 INFO L85 PathProgramCache]: Analyzing trace with hash -196679012, now seen corresponding path program 1 times [2023-11-06 22:39:13,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:39:13,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011752753] [2023-11-06 22:39:13,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:13,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:39:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:13,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:39:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:13,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:39:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:39:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:13,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:39:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:39:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:39:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:39:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-06 22:39:13,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:39:13,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011752753] [2023-11-06 22:39:13,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011752753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:39:13,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:39:13,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:39:13,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463991891] [2023-11-06 22:39:13,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:39:13,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:39:13,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:39:13,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:39:13,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:39:13,675 INFO L87 Difference]: Start difference. First operand 34024 states and 53451 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2023-11-06 22:39:25,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:39:25,445 INFO L93 Difference]: Finished difference Result 39075 states and 62123 transitions. [2023-11-06 22:39:25,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:39:25,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 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 72 [2023-11-06 22:39:25,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:39:25,731 INFO L225 Difference]: With dead ends: 39075 [2023-11-06 22:39:25,731 INFO L226 Difference]: Without dead ends: 39072 [2023-11-06 22:39:25,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:39:25,761 INFO L413 NwaCegarLoop]: 2749 mSDtfsCounter, 7271 mSDsluCounter, 3136 mSDsCounter, 0 mSdLazyCounter, 3198 mSolverCounterSat, 4273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7626 SdHoareTripleChecker+Valid, 5885 SdHoareTripleChecker+Invalid, 7471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4273 IncrementalHoareTripleChecker+Valid, 3198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:39:25,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7626 Valid, 5885 Invalid, 7471 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4273 Valid, 3198 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-11-06 22:39:25,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39072 states. [2023-11-06 22:39:28,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39072 to 34023. [2023-11-06 22:39:28,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34023 states, 23660 states have (on average 1.3868554522400676) internal successors, (32813), 24516 states have internal predecessors, (32813), 8601 states have call successors, (8601), 1258 states have call predecessors, (8601), 1761 states have return successors, (12035), 8708 states have call predecessors, (12035), 8597 states have call successors, (12035) [2023-11-06 22:39:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34023 states to 34023 states and 53449 transitions. [2023-11-06 22:39:29,000 INFO L78 Accepts]: Start accepts. Automaton has 34023 states and 53449 transitions. Word has length 72 [2023-11-06 22:39:29,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:39:29,001 INFO L495 AbstractCegarLoop]: Abstraction has 34023 states and 53449 transitions. [2023-11-06 22:39:29,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2023-11-06 22:39:29,001 INFO L276 IsEmpty]: Start isEmpty. Operand 34023 states and 53449 transitions. [2023-11-06 22:39:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-06 22:39:29,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:39:29,006 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:39:29,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:39:29,006 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:39:29,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:39:29,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1803221797, now seen corresponding path program 1 times [2023-11-06 22:39:29,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:39:29,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136120869] [2023-11-06 22:39:29,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:29,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:39:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:29,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:39:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:39:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:29,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:39:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:29,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:39:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:29,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:39:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:39:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:39:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-06 22:39:29,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:39:29,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136120869] [2023-11-06 22:39:29,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136120869] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:39:29,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:39:29,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:39:29,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952168446] [2023-11-06 22:39:29,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:39:29,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:39:29,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:39:29,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:39:29,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:39:29,857 INFO L87 Difference]: Start difference. First operand 34023 states and 53449 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-06 22:39:42,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:39:42,874 INFO L93 Difference]: Finished difference Result 39074 states and 62121 transitions. [2023-11-06 22:39:42,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:39:42,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 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 73 [2023-11-06 22:39:42,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:39:43,120 INFO L225 Difference]: With dead ends: 39074 [2023-11-06 22:39:43,120 INFO L226 Difference]: Without dead ends: 39001 [2023-11-06 22:39:43,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:39:43,160 INFO L413 NwaCegarLoop]: 2669 mSDtfsCounter, 6489 mSDsluCounter, 3989 mSDsCounter, 0 mSdLazyCounter, 3708 mSolverCounterSat, 3369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6839 SdHoareTripleChecker+Valid, 6658 SdHoareTripleChecker+Invalid, 7077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3369 IncrementalHoareTripleChecker+Valid, 3708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:39:43,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6839 Valid, 6658 Invalid, 7077 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3369 Valid, 3708 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-11-06 22:39:43,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39001 states. [2023-11-06 22:39:46,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39001 to 33952. [2023-11-06 22:39:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33952 states, 23605 states have (on average 1.3867824613429358) internal successors, (32735), 24460 states have internal predecessors, (32735), 8587 states have call successors, (8587), 1256 states have call predecessors, (8587), 1759 states have return successors, (12022), 8695 states have call predecessors, (12022), 8584 states have call successors, (12022) [2023-11-06 22:39:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33952 states to 33952 states and 53344 transitions. [2023-11-06 22:39:46,712 INFO L78 Accepts]: Start accepts. Automaton has 33952 states and 53344 transitions. Word has length 73 [2023-11-06 22:39:46,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:39:46,712 INFO L495 AbstractCegarLoop]: Abstraction has 33952 states and 53344 transitions. [2023-11-06 22:39:46,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-06 22:39:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 33952 states and 53344 transitions. [2023-11-06 22:39:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-06 22:39:46,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:39:46,838 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-06 22:39:46,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:39:46,838 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:39:46,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:39:46,839 INFO L85 PathProgramCache]: Analyzing trace with hash -183565626, now seen corresponding path program 1 times [2023-11-06 22:39:46,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:39:46,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168800033] [2023-11-06 22:39:46,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:46,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:39:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:39:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:39:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:39:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:39:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:39:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:39:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 22:39:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:39:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:39:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 22:39:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:39:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 22:39:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:39:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:39:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:39:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:39:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:39:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:39:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:39:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:39:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:39:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:39:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-06 22:39:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:39:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 22:39:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-06 22:39:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-06 22:39:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-06 22:39:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-06 22:39:47,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:39:47,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168800033] [2023-11-06 22:39:47,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168800033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:39:47,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:39:47,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:39:47,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522301904] [2023-11-06 22:39:47,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:39:47,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:39:47,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:39:47,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:39:47,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:39:47,862 INFO L87 Difference]: Start difference. First operand 33952 states and 53344 transitions. Second operand has 10 states, 10 states have (on average 11.7) internal successors, (117), 3 states have internal predecessors, (117), 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) [2023-11-06 22:40:10,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:40:12,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:40:29,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:29,577 INFO L93 Difference]: Finished difference Result 127443 states and 203861 transitions. [2023-11-06 22:40:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-06 22:40:29,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 3 states have internal predecessors, (117), 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 214 [2023-11-06 22:40:29,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:30,552 INFO L225 Difference]: With dead ends: 127443 [2023-11-06 22:40:30,553 INFO L226 Difference]: Without dead ends: 93517 [2023-11-06 22:40:30,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2023-11-06 22:40:30,769 INFO L413 NwaCegarLoop]: 2929 mSDtfsCounter, 22496 mSDsluCounter, 9070 mSDsCounter, 0 mSdLazyCounter, 8616 mSolverCounterSat, 18361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23078 SdHoareTripleChecker+Valid, 11999 SdHoareTripleChecker+Invalid, 26977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 18361 IncrementalHoareTripleChecker+Valid, 8616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:30,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23078 Valid, 11999 Invalid, 26977 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [18361 Valid, 8616 Invalid, 0 Unknown, 0 Unchecked, 32.5s Time] [2023-11-06 22:40:30,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93517 states.