./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91 --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 b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:15:15,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:15:15,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:15:15,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:15:15,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:15:15,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:15:15,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:15:15,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:15:15,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:15:15,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:15:15,375 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:15:15,376 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:15:15,376 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:15:15,377 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:15:15,377 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:15:15,378 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:15:15,379 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:15:15,379 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:15:15,380 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:15:15,381 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:15:15,381 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:15:15,382 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:15:15,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:15:15,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:15:15,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:15:15,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:15:15,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:15:15,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:15:15,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:15:15,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:15:15,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:15:15,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:15:15,389 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:15:15,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:15:15,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:15,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:15:15,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:15:15,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:15:15,393 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:15:15,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:15:15,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:15:15,395 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:15:15,395 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:15:15,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:15:15,396 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_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc [2023-11-24 23:15:15,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:15:15,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:15:15,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:15:15,692 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:15:15,693 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:15:15,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2023-11-24 23:15:18,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:15:19,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:15:19,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2023-11-24 23:15:19,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/data/dbccadcce/fb2ba8c817f2440f86e44d4df3db704b/FLAG07054b447 [2023-11-24 23:15:19,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/data/dbccadcce/fb2ba8c817f2440f86e44d4df3db704b [2023-11-24 23:15:19,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:15:19,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:15:19,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:19,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:15:19,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:15:19,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:19" (1/1) ... [2023-11-24 23:15:19,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5375b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:19, skipping insertion in model container [2023-11-24 23:15:19,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:19" (1/1) ... [2023-11-24 23:15:20,000 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:15:23,363 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_5145a51c-e926-445b-8ad9-2a482f86d863/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2023-11-24 23:15:23,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:23,525 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:15:23,619 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 %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2929] [2023-11-24 23:15:23,621 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [2936] [2023-11-24 23:15:23,626 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"); [3096-3097] [2023-11-24 23:15:23,627 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"); [3108-3109] [2023-11-24 23:15:23,627 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"); [3112-3113] [2023-11-24 23:15:23,627 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"); [3116-3117] [2023-11-24 23:15:23,628 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"); [3120-3121] [2023-11-24 23:15:23,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call hypercall_page+%c3": "=r" (__res), "+r" (__arg1), "+r" (__arg2): [offset] "i" (1056UL): "memory", "r8", "r10", "rdx"); [3454-3455] [2023-11-24 23:15:23,740 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10081/dscv_tempdir/dscv/ri/43_2a/drivers/xen/xen-pciback/pci_stub.c"), "i" (613), "i" (12UL)); [4286-4287] [2023-11-24 23:15:23,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [4353] [2023-11-24 23:15:23,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [4369] [2023-11-24 23:15:23,819 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, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6239-6240] [2023-11-24 23:15:23,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6848] [2023-11-24 23:15:23,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6851] [2023-11-24 23:15:23,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6853] [2023-11-24 23:15:24,100 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_5145a51c-e926-445b-8ad9-2a482f86d863/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2023-11-24 23:15:24,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:24,282 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:15:24,282 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:15:24,290 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:15:24,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24 WrapperNode [2023-11-24 23:15:24,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:24,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:24,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:15:24,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:15:24,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:24,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:24,789 INFO L138 Inliner]: procedures = 437, calls = 4488, calls flagged for inlining = 201, calls inlined = 197, statements flattened = 10401 [2023-11-24 23:15:24,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:24,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:15:24,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:15:24,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:15:24,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:24,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:24,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:24,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:25,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:25,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:25,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:25,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:25,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:15:25,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:15:25,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:15:25,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:15:25,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:25,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:25,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:15:25,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:15:25,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5145a51c-e926-445b-8ad9-2a482f86d863/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:15:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_export_device [2023-11-24 23:15:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_export_device [2023-11-24 23:15:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2023-11-24 23:15:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2023-11-24 23:15:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2023-11-24 23:15:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2023-11-24 23:15:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev [2023-11-24 23:15:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev [2023-11-24 23:15:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:15:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:15:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure HYPERVISOR_physdev_op [2023-11-24 23:15:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure HYPERVISOR_physdev_op [2023-11-24 23:15:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_bar [2023-11-24 23:15:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_bar [2023-11-24 23:15:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_frontend_changed [2023-11-24 23:15:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_frontend_changed [2023-11-24 23:15:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2023-11-24 23:15:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2023-11-24 23:15:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-24 23:15:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-24 23:15:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:15:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:15:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev___0 [2023-11-24 23:15:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev___0 [2023-11-24 23:15:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2023-11-24 23:15:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2023-11-24 23:15:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-24 23:15:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-24 23:15:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-24 23:15:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-24 23:15:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_attach [2023-11-24 23:15:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_attach [2023-11-24 23:15:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibios_err_to_errno [2023-11-24 23:15:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibios_err_to_errno [2023-11-24 23:15:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2023-11-24 23:15:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2023-11-24 23:15:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev [2023-11-24 23:15:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev [2023-11-24 23:15:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2023-11-24 23:15:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2023-11-24 23:15:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-24 23:15:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-24 23:15:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:15:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:15:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_get_pci_dev [2023-11-24 23:15:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_get_pci_dev [2023-11-24 23:15:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:15:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:15:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:15:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_control_isr [2023-11-24 23:15:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_control_isr [2023-11-24 23:15:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:15:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:15:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure valid_request [2023-11-24 23:15:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_request [2023-11-24 23:15:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2023-11-24 23:15:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2023-11-24 23:15:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-24 23:15:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field [2023-11-24 23:15:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field [2023-11-24 23:15:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:15:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:15:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 23:15:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 23:15:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:15:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-24 23:15:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-24 23:15:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_find [2023-11-24 23:15:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_find [2023-11-24 23:15:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-24 23:15:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-24 23:15:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_slot_reset [2023-11-24 23:15:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_slot_reset [2023-11-24 23:15:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-24 23:15:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-24 23:15:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure xen_register_device_domain_owner [2023-11-24 23:15:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_register_device_domain_owner [2023-11-24 23:15:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_detected [2023-11-24 23:15:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_detected [2023-11-24 23:15:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-24 23:15:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-24 23:15:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:15:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2023-11-24 23:15:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2023-11-24 23:15:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-24 23:15:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-24 23:15:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_remove [2023-11-24 23:15:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_remove [2023-11-24 23:15:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:15:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2023-11-24 23:15:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2023-11-24 23:15:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_15 [2023-11-24 23:15:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_15 [2023-11-24 23:15:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read_driver_state [2023-11-24 23:15:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read_driver_state [2023-11-24 23:15:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get [2023-11-24 23:15:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get [2023-11-24 23:15:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_release_pci_dev [2023-11-24 23:15:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_release_pci_dev [2023-11-24 23:15:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-24 23:15:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-24 23:15:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function_locked [2023-11-24 23:15:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function_locked [2023-11-24 23:15:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:15:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:15:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-24 23:15:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-24 23:15:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-11-24 23:15:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-11-24 23:15:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields [2023-11-24 23:15:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields [2023-11-24 23:15:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-24 23:15:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-24 23:15:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-24 23:15:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-24 23:15:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:15:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:15:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_probe [2023-11-24 23:15:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_probe [2023-11-24 23:15:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2023-11-24 23:15:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2023-11-24 23:15:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:15:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-24 23:15:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-24 23:15:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:15:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:15:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-24 23:15:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-24 23:15:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:15:25,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:15:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-24 23:15:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-24 23:15:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2023-11-24 23:15:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2023-11-24 23:15:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev [2023-11-24 23:15:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev [2023-11-24 23:15:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2023-11-24 23:15:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2023-11-24 23:15:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-24 23:15:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-24 23:15:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_quirk_show [2023-11-24 23:15:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_quirk_show [2023-11-24 23:15:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:15:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:15:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_disconnect [2023-11-24 23:15:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_disconnect [2023-11-24 23:15:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-24 23:15:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-24 23:15:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:15:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:15:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-24 23:15:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-24 23:15:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-24 23:15:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-24 23:15:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:15:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:15:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2023-11-24 23:15:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2023-11-24 23:15:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-24 23:15:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-24 23:15:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_slot_show [2023-11-24 23:15:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_slot_show [2023-11-24 23:15:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_read [2023-11-24 23:15:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_read [2023-11-24 23:15:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-24 23:15:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-24 23:15:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-24 23:15:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-24 23:15:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_do_op [2023-11-24 23:15:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_do_op [2023-11-24 23:15:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2023-11-24 23:15:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2023-11-24 23:15:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2023-11-24 23:15:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2023-11-24 23:15:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:15:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:15:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices [2023-11-24 23:15:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices [2023-11-24 23:15:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-24 23:15:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-24 23:15:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:15:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:15:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev___0 [2023-11-24 23:15:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev___0 [2023-11-24 23:15:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 23:15:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 23:15:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots [2023-11-24 23:15:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots [2023-11-24 23:15:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2023-11-24 23:15:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2023-11-24 23:15:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dev [2023-11-24 23:15:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dev [2023-11-24 23:15:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_device_domain_owner [2023-11-24 23:15:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_device_domain_owner [2023-11-24 23:15:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:15:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:15:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2023-11-24 23:15:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2023-11-24 23:15:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pirq_from_irq [2023-11-24 23:15:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pirq_from_irq [2023-11-24 23:15:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev___0 [2023-11-24 23:15:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev___0 [2023-11-24 23:15:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_init_device [2023-11-24 23:15:25,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_init_device [2023-11-24 23:15:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-24 23:15:25,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-24 23:15:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:15:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2023-11-24 23:15:25,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2023-11-24 23:15:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-24 23:15:25,577 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-24 23:15:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-24 23:15:25,577 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-24 23:15:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2023-11-24 23:15:25,578 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2023-11-24 23:15:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure kill_domain_by_device [2023-11-24 23:15:25,578 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_domain_by_device [2023-11-24 23:15:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-11-24 23:15:25,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-11-24 23:15:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure merge_value [2023-11-24 23:15:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_value [2023-11-24 23:15:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:15:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_mmio_enabled [2023-11-24 23:15:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_mmio_enabled [2023-11-24 23:15:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure xen_find_device_domain_owner [2023-11-24 23:15:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_find_device_domain_owner [2023-11-24 23:15:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2023-11-24 23:15:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2023-11-24 23:15:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-24 23:15:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-24 23:15:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-24 23:15:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-24 23:15:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:15:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2023-11-24 23:15:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2023-11-24 23:15:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:15:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:15:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots___0 [2023-11-24 23:15:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots___0 [2023-11-24 23:15:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-24 23:15:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-24 23:15:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 23:15:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 23:15:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure permissive_show [2023-11-24 23:15:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure permissive_show [2023-11-24 23:15:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-24 23:15:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-24 23:15:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-24 23:15:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-24 23:15:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-24 23:15:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-24 23:15:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_irq_handler_show [2023-11-24 23:15:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_irq_handler_show [2023-11-24 23:15:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure common_process [2023-11-24 23:15:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure common_process [2023-11-24 23:15:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-24 23:15:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-24 23:15:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field_offset [2023-11-24 23:15:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field_offset [2023-11-24 23:15:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-24 23:15:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-24 23:15:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-24 23:15:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-24 23:15:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure str_to_slot [2023-11-24 23:15:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure str_to_slot [2023-11-24 23:15:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-24 23:15:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-24 23:15:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_exit [2023-11-24 23:15:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_exit [2023-11-24 23:15:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2023-11-24 23:15:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2023-11-24 23:15:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:15:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:15:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:15:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:15:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:15:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-24 23:15:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-24 23:15:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get_pci_dev [2023-11-24 23:15:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get_pci_dev [2023-11-24 23:15:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:15:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:15:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_reset_device [2023-11-24 23:15:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_reset_device [2023-11-24 23:15:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_test_and_schedule_op [2023-11-24 23:15:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_test_and_schedule_op [2023-11-24 23:15:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-24 23:15:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-24 23:15:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-24 23:15:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-24 23:15:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-24 23:15:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-24 23:15:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure register_capability [2023-11-24 23:15:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure register_capability [2023-11-24 23:15:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields_offset [2023-11-24 23:15:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields_offset [2023-11-24 23:15:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2023-11-24 23:15:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2023-11-24 23:15:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:15:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:15:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_enabled [2023-11-24 23:15:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_enabled [2023-11-24 23:15:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-24 23:15:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-24 23:15:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:15:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2023-11-24 23:15:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2023-11-24 23:15:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices___0 [2023-11-24 23:15:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices___0 [2023-11-24 23:15:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure get_mask [2023-11-24 23:15:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mask [2023-11-24 23:15:26,980 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:15:26,985 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:15:30,837 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:15:39,617 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:15:43,506 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:15:43,507 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:15:43,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:43 BoogieIcfgContainer [2023-11-24 23:15:43,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:15:43,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:15:43,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:15:43,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:15:43,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:15:19" (1/3) ... [2023-11-24 23:15:43,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e16549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:43, skipping insertion in model container [2023-11-24 23:15:43,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (2/3) ... [2023-11-24 23:15:43,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e16549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:43, skipping insertion in model container [2023-11-24 23:15:43,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:43" (3/3) ... [2023-11-24 23:15:43,524 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2023-11-24 23:15:43,547 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:15:43,547 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:15:43,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:15:43,689 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;@6d80cbdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:15:43,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:15:43,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 2768 states, 1742 states have (on average 1.3691159586681976) internal successors, (2385), 1819 states have internal predecessors, (2385), 877 states have call successors, (877), 148 states have call predecessors, (877), 147 states have return successors, (862), 850 states have call predecessors, (862), 862 states have call successors, (862) [2023-11-24 23:15:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-24 23:15:43,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:43,763 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:43,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:43,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:43,770 INFO L85 PathProgramCache]: Analyzing trace with hash -609632711, now seen corresponding path program 1 times [2023-11-24 23:15:43,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:43,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439236181] [2023-11-24 23:15:43,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:43,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2023-11-24 23:15:46,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:46,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439236181] [2023-11-24 23:15:46,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439236181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:46,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:46,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:15:46,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173472245] [2023-11-24 23:15:46,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:46,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:46,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:46,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:46,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:46,529 INFO L87 Difference]: Start difference. First operand has 2768 states, 1742 states have (on average 1.3691159586681976) internal successors, (2385), 1819 states have internal predecessors, (2385), 877 states have call successors, (877), 148 states have call predecessors, (877), 147 states have return successors, (862), 850 states have call predecessors, (862), 862 states have call successors, (862) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-24 23:15:48,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:50,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:53,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:56,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:58,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:59,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:16:02,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:16:04,345 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 [] [2023-11-24 23:16:05,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:16:05,472 INFO L93 Difference]: Finished difference Result 8179 states and 12409 transitions. [2023-11-24 23:16:05,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:16:05,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 265 [2023-11-24 23:16:05,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:16:05,541 INFO L225 Difference]: With dead ends: 8179 [2023-11-24 23:16:05,541 INFO L226 Difference]: Without dead ends: 5417 [2023-11-24 23:16:05,575 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 [2023-11-24 23:16:05,582 INFO L413 NwaCegarLoop]: 3773 mSDtfsCounter, 4072 mSDsluCounter, 3700 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4072 SdHoareTripleChecker+Valid, 7473 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:16:05,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4072 Valid, 7473 Invalid, 699 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 690 Invalid, 7 Unknown, 0 Unchecked, 18.3s Time] [2023-11-24 23:16:05,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5417 states. [2023-11-24 23:16:06,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5417 to 5413. [2023-11-24 23:16:06,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5413 states, 3432 states have (on average 1.3624708624708626) internal successors, (4676), 3553 states have internal predecessors, (4676), 1688 states have call successors, (1688), 293 states have call predecessors, (1688), 292 states have return successors, (1685), 1660 states have call predecessors, (1685), 1685 states have call successors, (1685) [2023-11-24 23:16:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5413 states to 5413 states and 8049 transitions. [2023-11-24 23:16:06,178 INFO L78 Accepts]: Start accepts. Automaton has 5413 states and 8049 transitions. Word has length 265 [2023-11-24 23:16:06,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:16:06,184 INFO L495 AbstractCegarLoop]: Abstraction has 5413 states and 8049 transitions. [2023-11-24 23:16:06,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-24 23:16:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 5413 states and 8049 transitions. [2023-11-24 23:16:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-11-24 23:16:06,194 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:16:06,195 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:16:06,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:16:06,196 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:16:06,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:16:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1752798584, now seen corresponding path program 1 times [2023-11-24 23:16:06,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:16:06,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880892285] [2023-11-24 23:16:06,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:16:06,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms