./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aaf1d771ac3b5c1ee5469ce53dcb9ae85a178368868569822ee5e312f0a622d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:17:42,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:17:43,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:17:43,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:17:43,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:17:43,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:17:43,072 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:17:43,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:17:43,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:17:43,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:17:43,074 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:17:43,075 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:17:43,076 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:17:43,076 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:17:43,077 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:17:43,077 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:17:43,078 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:17:43,078 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:17:43,079 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:17:43,080 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:17:43,080 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:17:43,081 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:17:43,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:17:43,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:17:43,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:17:43,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:17:43,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:17:43,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:17:43,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:17:43,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:17:43,091 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:17:43,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:17:43,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:17:43,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:43,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:17:43,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:17:43,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:17:43,094 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:17:43,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:17:43,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:17:43,095 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:17:43,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:17:43,095 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaf1d771ac3b5c1ee5469ce53dcb9ae85a178368868569822ee5e312f0a622d5 [2023-11-19 05:17:43,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:17:43,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:17:43,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:17:43,457 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:17:43,458 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:17:43,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i [2023-11-19 05:17:47,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:17:47,963 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:17:47,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i [2023-11-19 05:17:48,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/data/48af6c311/e3b1d0e1ceb847fd82ead61e7272d589/FLAG8623e0b10 [2023-11-19 05:17:48,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/data/48af6c311/e3b1d0e1ceb847fd82ead61e7272d589 [2023-11-19 05:17:48,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:17:48,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:17:48,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:48,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:17:48,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:17:48,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:48" (1/1) ... [2023-11-19 05:17:48,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b48b61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:48, skipping insertion in model container [2023-11-19 05:17:48,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:48" (1/1) ... [2023-11-19 05:17:48,248 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:17:48,997 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2023-11-19 05:17:48,998 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7209-7210] [2023-11-19 05:17:49,720 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_2625df36-d2e7-4f2d-a637-3799776f5b9a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i[225756,225769] [2023-11-19 05:17:51,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:51,166 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:17:51,306 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2023-11-19 05:17:51,306 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7209-7210] [2023-11-19 05:17:51,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [7292] [2023-11-19 05:17:51,313 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [7384-7385] [2023-11-19 05:17:51,313 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [7396-7397] [2023-11-19 05:17:51,314 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7400-7401] [2023-11-19 05:17:51,314 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7404-7405] [2023-11-19 05:17:51,314 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7408-7409] [2023-11-19 05:17:51,322 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_2625df36-d2e7-4f2d-a637-3799776f5b9a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i[225756,225769] [2023-11-19 05:17:51,433 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5011/dscv_tempdir/dscv/ri/43_2a/drivers/target/sbp/sbp_target.o.c.prepared"), "i" (981), "i" (12UL)); [8919-8920] [2023-11-19 05:17:51,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:51,680 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:17:51,680 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:17:51,681 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:17:51,689 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:17:51,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51 WrapperNode [2023-11-19 05:17:51,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:51,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:51,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:17:51,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:17:51,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:52,105 INFO L138 Inliner]: procedures = 276, calls = 2193, calls flagged for inlining = 108, calls inlined = 97, statements flattened = 5051 [2023-11-19 05:17:52,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:52,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:17:52,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:17:52,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:17:52,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:52,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:52,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:52,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:52,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:52,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:52,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:52,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:52,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:17:52,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:17:52,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:17:52,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:17:52,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:52,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:52,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:52,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:17:52,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2625df36-d2e7-4f2d-a637-3799776f5b9a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:17:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 05:17:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 05:17:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_shutdown_session [2023-11-19 05:17:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_shutdown_session [2023-11-19 05:17:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_session_release [2023-11-19 05:17:52,692 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_session_release [2023-11-19 05:17:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 05:17:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 05:17:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_mgt_agent_process [2023-11-19 05:17:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_mgt_agent_process [2023-11-19 05:17:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:17:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_tag [2023-11-19 05:17:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_tag [2023-11-19 05:17:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:17:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:17:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:17:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_post_link_lun [2023-11-19 05:17:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_post_link_lun [2023-11-19 05:17:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_proto_ident [2023-11-19 05:17:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_proto_ident [2023-11-19 05:17:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id_len [2023-11-19 05:17:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id_len [2023-11-19 05:17:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 05:17:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 05:17:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_status [2023-11-19 05:17:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_status [2023-11-19 05:17:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure read_peer_guid [2023-11-19 05:17:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure read_peer_guid [2023-11-19 05:17:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:17:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:17:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_data_in [2023-11-19 05:17:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_data_in [2023-11-19 05:17:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_tm_rsp [2023-11-19 05:17:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_tm_rsp [2023-11-19 05:17:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tport [2023-11-19 05:17:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tport [2023-11-19 05:17:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_aborted_task [2023-11-19 05:17:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_aborted_task [2023-11-19 05:17:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:17:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:17:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tpg [2023-11-19 05:17:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tpg [2023-11-19 05:17:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure sbp2_pointer_to_addr [2023-11-19 05:17:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp2_pointer_to_addr [2023-11-19 05:17:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_login [2023-11-19 05:17:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_login [2023-11-19 05:17:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:17:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:17:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_process_work [2023-11-19 05:17:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_process_work [2023-11-19 05:17:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:17:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:17:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 05:17:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 05:17:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id [2023-11-19 05:17:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id [2023-11-19 05:17:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2023-11-19 05:17:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2023-11-19 05:17:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tpg [2023-11-19 05:17:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tpg [2023-11-19 05:17:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_close_session [2023-11-19 05:17:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_close_session [2023-11-19 05:17:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 05:17:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 05:17:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:17:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:17:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:17:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:17:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:17:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_reconnect [2023-11-19 05:17:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_reconnect [2023-11-19 05:17:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_release [2023-11-19 05:17:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_release [2023-11-19 05:17:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 05:17:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 05:17:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 05:17:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_nodeacl [2023-11-19 05:17:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_nodeacl [2023-11-19 05:17:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-19 05:17:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_cmd [2023-11-19 05:17:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_cmd [2023-11-19 05:17:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_check_active [2023-11-19 05:17:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_check_active [2023-11-19 05:17:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_pre_unlink_lun [2023-11-19 05:17:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_pre_unlink_lun [2023-11-19 05:17:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:17:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_nodeacl [2023-11-19 05:17:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_nodeacl [2023-11-19 05:17:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:17:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:17:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:17:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_command [2023-11-19 05:17:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_command [2023-11-19 05:17:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 05:17:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 05:17:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 05:17:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 05:17:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:17:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:17:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:17:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:17:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 05:17:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 05:17:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure session_check_for_reset [2023-11-19 05:17:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure session_check_for_reset [2023-11-19 05:17:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 05:17:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 05:17:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 05:17:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 05:17:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 05:17:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 05:17:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_fetch_work [2023-11-19 05:17:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_fetch_work [2023-11-19 05:17:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:17:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_format_wwn [2023-11-19 05:17:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_format_wwn [2023-11-19 05:17:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:17:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:17:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_set_default_node_attrs [2023-11-19 05:17:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_set_default_node_attrs [2023-11-19 05:17:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 05:17:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 05:17:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_task_tag [2023-11-19 05:17:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_task_tag [2023-11-19 05:17:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_agent_unregister [2023-11-19 05:17:52,729 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_agent_unregister [2023-11-19 05:17:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 05:17:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 05:17:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:17:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure session_maintenance_work [2023-11-19 05:17:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure session_maintenance_work [2023-11-19 05:17:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_true [2023-11-19 05:17:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_true [2023-11-19 05:17:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:17:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_name [2023-11-19 05:17:52,733 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_name [2023-11-19 05:17:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_put [2023-11-19 05:17:52,738 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_put [2023-11-19 05:17:52,739 INFO L130 BoogieDeclarations]: Found specification of procedure addr_to_sbp2_pointer [2023-11-19 05:17:52,739 INFO L138 BoogieDeclarations]: Found implementation of procedure addr_to_sbp2_pointer [2023-11-19 05:17:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:17:52,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:17:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_transaction [2023-11-19 05:17:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_transaction [2023-11-19 05:17:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure session_reconnect_expired [2023-11-19 05:17:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure session_reconnect_expired [2023-11-19 05:17:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:17:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:17:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_status [2023-11-19 05:17:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_status [2023-11-19 05:17:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:17:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:17:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_pr_out_transport_id [2023-11-19 05:17:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_pr_out_transport_id [2023-11-19 05:17:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 05:17:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 05:17:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:17:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 05:17:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 05:17:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tport [2023-11-19 05:17:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tport [2023-11-19 05:17:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_add_address_handler [2023-11-19 05:17:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_add_address_handler [2023-11-19 05:17:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_handle_command [2023-11-19 05:17:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_handle_command [2023-11-19 05:17:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 05:17:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 05:17:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:17:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:17:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_fabric_acl [2023-11-19 05:17:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_fabric_acl [2023-11-19 05:17:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_sess_get_index [2023-11-19 05:17:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_sess_get_index [2023-11-19 05:17:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_find_by_id [2023-11-19 05:17:52,754 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_find_by_id [2023-11-19 05:17:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:17:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_get [2023-11-19 05:17:52,754 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_get [2023-11-19 05:17:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_rw_data [2023-11-19 05:17:52,755 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_rw_data [2023-11-19 05:17:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:17:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:17:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:17:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:17:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_page_table [2023-11-19 05:17:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_page_table [2023-11-19 05:17:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_sense [2023-11-19 05:17:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_sense [2023-11-19 05:17:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_free_request [2023-11-19 05:17:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_free_request [2023-11-19 05:17:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_wwn [2023-11-19 05:17:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_wwn [2023-11-19 05:17:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 05:17:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 05:17:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_logout [2023-11-19 05:17:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_logout [2023-11-19 05:17:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_wwn [2023-11-19 05:17:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_wwn [2023-11-19 05:17:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-19 05:17:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-19 05:17:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_request_transaction [2023-11-19 05:17:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_request_transaction [2023-11-19 05:17:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-11-19 05:17:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-11-19 05:17:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 05:17:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 05:17:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_update_unit_directory [2023-11-19 05:17:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_update_unit_directory [2023-11-19 05:17:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:17:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:17:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_default_depth [2023-11-19 05:17:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_default_depth [2023-11-19 05:17:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_count_all_by_lun [2023-11-19 05:17:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_count_all_by_lun [2023-11-19 05:17:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_false [2023-11-19 05:17:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_false [2023-11-19 05:17:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 05:17:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 05:17:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-19 05:17:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-19 05:17:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_write_pending_status [2023-11-19 05:17:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_write_pending_status [2023-11-19 05:17:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_tpg_get_inst_index [2023-11-19 05:17:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_tpg_get_inst_index [2023-11-19 05:17:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_address_handler [2023-11-19 05:17:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_address_handler [2023-11-19 05:17:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_cmd_state [2023-11-19 05:17:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_cmd_state [2023-11-19 05:17:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:17:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_alloc_fabric_acl [2023-11-19 05:17:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_alloc_fabric_acl [2023-11-19 05:17:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-19 05:17:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-19 05:17:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_count_se_tpg_luns [2023-11-19 05:17:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_count_se_tpg_luns [2023-11-19 05:17:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_release [2023-11-19 05:17:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:17:52,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:17:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_stop_free [2023-11-19 05:17:52,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_stop_free [2023-11-19 05:17:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 05:17:52,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 05:17:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:17:52,767 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:17:53,787 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:17:53,800 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:17:54,517 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:18:04,357 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:18:06,604 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:18:06,605 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:18:06,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:18:06 BoogieIcfgContainer [2023-11-19 05:18:06,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:18:06,628 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:18:06,628 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:18:06,631 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:18:06,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:17:48" (1/3) ... [2023-11-19 05:18:06,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c295a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:18:06, skipping insertion in model container [2023-11-19 05:18:06,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (2/3) ... [2023-11-19 05:18:06,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c295a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:18:06, skipping insertion in model container [2023-11-19 05:18:06,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:18:06" (3/3) ... [2023-11-19 05:18:06,637 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i [2023-11-19 05:18:06,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:18:06,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:18:06,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:18:06,836 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@726544d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:18:06,837 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:18:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 1678 states, 1020 states have (on average 1.3431372549019607) internal successors, (1370), 1058 states have internal predecessors, (1370), 545 states have call successors, (545), 112 states have call predecessors, (545), 111 states have return successors, (536), 521 states have call predecessors, (536), 536 states have call successors, (536) [2023-11-19 05:18:06,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-19 05:18:06,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:06,901 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:18:06,902 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:06,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:06,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1159087963, now seen corresponding path program 1 times [2023-11-19 05:18:06,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:18:06,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808597472] [2023-11-19 05:18:06,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:06,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:18:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:18:08,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:18:08,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808597472] [2023-11-19 05:18:08,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808597472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:18:08,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:18:08,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:18:08,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570603772] [2023-11-19 05:18:08,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:18:08,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:18:08,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:18:08,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:18:08,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:18:08,083 INFO L87 Difference]: Start difference. First operand has 1678 states, 1020 states have (on average 1.3431372549019607) internal successors, (1370), 1058 states have internal predecessors, (1370), 545 states have call successors, (545), 112 states have call predecessors, (545), 111 states have return successors, (536), 521 states have call predecessors, (536), 536 states have call successors, (536) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:18:10,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:18:12,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:18:15,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:18:17,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:18:19,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:18:20,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:18:20,124 INFO L93 Difference]: Finished difference Result 4906 states and 7320 transitions. [2023-11-19 05:18:20,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:18:20,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 177 [2023-11-19 05:18:20,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:18:20,186 INFO L225 Difference]: With dead ends: 4906 [2023-11-19 05:18:20,186 INFO L226 Difference]: Without dead ends: 3248 [2023-11-19 05:18:20,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:18:20,210 INFO L413 NwaCegarLoop]: 2265 mSDtfsCounter, 2386 mSDsluCounter, 2196 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 4461 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:18:20,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 4461 Invalid, 372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 366 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2023-11-19 05:18:20,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2023-11-19 05:18:20,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 3244. [2023-11-19 05:18:20,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3244 states, 1987 states have (on average 1.3356819325616507) internal successors, (2654), 2042 states have internal predecessors, (2654), 1036 states have call successors, (1036), 221 states have call predecessors, (1036), 220 states have return successors, (1035), 1004 states have call predecessors, (1035), 1035 states have call successors, (1035) [2023-11-19 05:18:20,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 3244 states and 4725 transitions. [2023-11-19 05:18:20,642 INFO L78 Accepts]: Start accepts. Automaton has 3244 states and 4725 transitions. Word has length 177 [2023-11-19 05:18:20,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:18:20,646 INFO L495 AbstractCegarLoop]: Abstraction has 3244 states and 4725 transitions. [2023-11-19 05:18:20,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:18:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3244 states and 4725 transitions. [2023-11-19 05:18:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 05:18:20,670 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:20,671 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:18:20,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:18:20,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:20,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:20,673 INFO L85 PathProgramCache]: Analyzing trace with hash 523177387, now seen corresponding path program 1 times [2023-11-19 05:18:20,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:18:20,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297426089] [2023-11-19 05:18:20,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:20,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:18:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:21,174 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:18:21,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:18:21,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297426089] [2023-11-19 05:18:21,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297426089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:18:21,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:18:21,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:18:21,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919835394] [2023-11-19 05:18:21,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:18:21,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:18:21,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:18:21,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:18:21,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:18:21,184 INFO L87 Difference]: Start difference. First operand 3244 states and 4725 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:18:23,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:18:25,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:18:28,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:18:29,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:18:31,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:18:33,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:18:34,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:18:34,656 INFO L93 Difference]: Finished difference Result 9612 states and 13993 transitions. [2023-11-19 05:18:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:18:34,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2023-11-19 05:18:34,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:18:34,708 INFO L225 Difference]: With dead ends: 9612 [2023-11-19 05:18:34,708 INFO L226 Difference]: Without dead ends: 6413 [2023-11-19 05:18:34,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:18:34,724 INFO L413 NwaCegarLoop]: 2262 mSDtfsCounter, 2387 mSDsluCounter, 2174 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2387 SdHoareTripleChecker+Valid, 4436 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:18:34,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2387 Valid, 4436 Invalid, 372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 366 Invalid, 4 Unknown, 0 Unchecked, 13.0s Time] [2023-11-19 05:18:34,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6413 states. [2023-11-19 05:18:35,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6413 to 6409. [2023-11-19 05:18:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6409 states, 3925 states have (on average 1.3363057324840764) internal successors, (5245), 4036 states have internal predecessors, (5245), 2043 states have call successors, (2043), 441 states have call predecessors, (2043), 440 states have return successors, (2042), 1979 states have call predecessors, (2042), 2042 states have call successors, (2042) [2023-11-19 05:18:35,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6409 states to 6409 states and 9330 transitions. [2023-11-19 05:18:35,158 INFO L78 Accepts]: Start accepts. Automaton has 6409 states and 9330 transitions. Word has length 181 [2023-11-19 05:18:35,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:18:35,161 INFO L495 AbstractCegarLoop]: Abstraction has 6409 states and 9330 transitions. [2023-11-19 05:18:35,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:18:35,163 INFO L276 IsEmpty]: Start isEmpty. Operand 6409 states and 9330 transitions. [2023-11-19 05:18:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-19 05:18:35,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:35,171 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:18:35,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:18:35,172 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:35,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:35,182 INFO L85 PathProgramCache]: Analyzing trace with hash 675644699, now seen corresponding path program 1 times [2023-11-19 05:18:35,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:18:35,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731095880] [2023-11-19 05:18:35,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:35,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:18:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:18:35,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:18:35,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731095880] [2023-11-19 05:18:35,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731095880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:18:35,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:18:35,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:18:35,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452066276] [2023-11-19 05:18:35,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:18:35,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:18:35,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:18:35,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:18:35,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:18:35,527 INFO L87 Difference]: Start difference. First operand 6409 states and 9330 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)